Fun musical finds of various kinds

Fun things (patterns similarities etc.) found out while listening to various kind of music. Most can be explained by simple influences among bands.

There is some patterns that i think i have heard somewhere but cannot grasp where, still open, let me know if you know !

Some fun facts of that list are probably unique as i never saw them reported anywhere. Some are probably made up, don't take it seriously. (some very obvious ones are also known)

The format of this list is : Artist name - Album name (release year) - Song name

Rings of Saturn - Ultu Ulla (2017) - Servant of this Sentience

~2:17 has similar melody / vibe than Star Control 2 hyperspace OST, don't know if intended, probably not ? Same in Clepsydra song Soaked of the album Fears (1997) at ~2:20.

Meshuggah - None (1994) - Ritual

The intro and overall feeling of the whole track sounds like Would ? (1992) by Alice in Chains

Burgul Torkhaïn - The Adventures of Burgul Torkhaïn (2002) - The Mechanical Perverts

Somewhere in this track there is the same singing sample that was used in Xtal (1992) by Aphex Twin briefly played, it is a Steve Jefferies, Mary Carewe and Donald Greig 1986 sample.

Enslaved - RIITIIR (2012) - Materal

Some Alice in Chains influences in the vocals and harmony ? (~0:40 also ~5:08)

Summoning - With Doom We Come (2018) - Mirklands

The running theme starting at 0:33 sounds like Game Of Thrones (2011 TV series) soundtrack.

Nina Hagen - Street (1991) - Good vibrations

Oh yeah vocal sample at ~2:05 also used in Bomb the Bass Megablast (Hip Hop on Precinct 13) of Into the Dragon album (1988), this sample originate from Run DMC Here We Go (Live At The Funhouse) (1985) at ~0.02

Sodom - Tapping The Vein (1992) - Deadline

Metal fans will probably like this fun fact: 2:08 riff is similar to Dunkelheit from Filosofem (1996) by Burzum the riff repeat with variations around the track, it is also pretty similar (when slow) to the riff in Poison album Into The Abyss (1986) at ~1:00 on the track Slaves Of The Crucifix, not surprising considering Poison and Sodom are of the same country, still a quite fun find, Poison can be seen as early death metal with trash / doom / black elements highly influenced by early black metal / trash bands and Sodom Tapping The Vein as Sodom delving into death metal and it is especially funny that Poison were Sodom worshipers ! :D looks like it come full circles. Seems also that the same pattern appear in Sadistik Exekution track Agonizing the Dead (~4:45) from The Magus album (released in 1991 but seems tracks were written in 1986 which means either coincidence, influence or there is an earlier reference ?).

Medieval - Medieval (1986) - Lords of Darkness

Riff quite similar to riffs at the beginning of Sodom Agent Orange (1989) and probably come from earlier references like Venom riffs in Don't burn the witch. (1982)

Droÿs - And If... (1998) - World Chronicle

Quite similar riff as Sodom track "One step over the line" (1992) ~2:52 riff repeated many times, also appear shortened in Meliah Rage track "Retaliation" from Solitary Solitude (1990) album at the beginning.

AFX (Aphex Twin) - Internet dump (2015) - 13 High Hats Tune Tamclap Orig

5:45 melody appear in the fearless vampire killers 1967 movie with a woman voice singing it, this melody also appear on the first song intro Fearful visions of Adramelch album Irae Melanox (1988), also in Clepsydra song When the bells started ringing of The Gap album (2019) at ~6:30, it is also in a shorter form (3 notes but the timbre is there) in Miranda Sex Garden song Escape From Killburn of the Carnival of Souls (2000) album. The melody probably has older origins but i don't know which. UPDATE : Few years after and i think i heard this melody in either Isao Tomita song or Debussy, don't recall which yet though.

Nocturnus - Ethereal Tomb (1999) - Outland

Has very similar vibes to Pestilence Osculum Infame keys of Malleus Maleficarum (1988) album also Death Cosmic Sea intro (1991), i don't think there is any similar patterns, more like heavy inspiration

Step into liquid - Traffic in my Head (2007) - Myself Actually

Alice in Chains Would ? (1992) intro running around, a partial cover albeit quite weird.

Cypress hill - Cypress Hill III: Temples of Boom (1995) - Throw Your Set in the Air

~1:17 "Dum ditty dum..." is a nod to Run DMC Here We Go (Live At The Funhouse) (1985) which has the same vocal line at 0:48, the whole song is actually a nod i guess since it also has the same vocal rhythm.

Cro-Mags - Alpha Omega (1992) - Paths of Perfection

~2:15 sounds like the same riff as in Aftermath album Eyes of Tomorrow (1994) Afraid of Time song at ~1:00, most of this Aftermath album was written in late 80s and early 90s with that song showing as soon as 1990 in a demo, i don't know if it is a reference (or earlier reference that bridge the two ?) or a coincidence, also note that in this Cro-Mags album there is a song named like the Aftermath album !

Ministry - Psalm 69 (1992) - Just one fix

Running riff influenced by Slayer South of Heaven (1988), seems it is well known.

Jaga Jazzist - A Livingoom Hush (2001) - Cinematic

Piano patterns sound like Aisatsana by Aphex Twin (Cinematic was out way before Aisatsana was out i think so which is first ?)

Avoid Catoblépone - Déporté sur terre (1995) - Prisonnier

Obvious patterns from Erik Satie (1890, Gnossiennes 1-3 : No. 1) played on a guitar.

Hovmod - Doedsformasjon (2019) - Doedsformasjon / Blodsbaand

Background riff on Doedsformasjon sound very much like Immortal All shall fall (2009) same with Blodsbaand. (many obviously similar patterns, probably direct inspiration)

Blitzkrieg - Unholy Trinity (1995) - Taking Care of Business

Section at ~3:00 is similar to first Doom OST (E1M1 - At Doom's gate)

Pink Floyd - Animals (1977) - Pigs (Three Different Ones)

After ~3:00 the vocals remind me sometimes of Can early albums. (Ege Bamyasi ?)

Ketha - 2nd Sight (2012) - Blackpool

Intro sound similar to Star One Victims Of The Modern Age 24 Hours intro (2010)

Jim Kirkwood - Lord Of The Dreaming (1992) - A3 Where Angels Fall

~8:20 sounds like some timbre and melody from a mid 90s Aphex Twin track. (perhaps earlier ? perhaps from his SoundCloud releases ?)

Luke Vibert - We Hear You (2009) - Belief file

Gamelan all around the track emulated by a synthesizer or a syncopated sample ? The pattern sounds like something i heard somewhere, maybe from a traditional gamelan ensemble.

Chevron - Possibilities (2016) - Makossa Nova

Sampled Drexciya ? Didn't find the track name yet.

Xysma - Yeah (1990) - Uranus Falls

~18:20 riff sounds like something i heard in a popular trash track, Metallica ? (still unsure)

Shriekback - Some kinds of light (2019) - All About Nothing

~1:22 (and multiple time across the song) short riff sounds like the riff in the popular song The Clash Should I Stay or Should I Go (1982) although slightly different end note.

Anvil - Forged in Fire (1983) - Forged In Fire

Sabbath reference (obvious ?), quite raw "metal" (from the lyrics and feels :D) ! This track overall is special to me because i can also see that it was referenced probably many times in terms of layout or rawness from other bands such as early Bathory or in other genres. Benediction "Dark is The Season" (1992) has a lower tone cover that i love because of this (down to the Bathory like vocals gimmicks) plus the chosen album cover is a cool and unusual ones in term of colors and brightness.

Coroner - Grin (1993) - Paralized, Mesmerized

Starting at 1:56 the guitar melodic pattern sounds like something i heard somewhere, perhaps early Sodom ? probably a trash track anyway

Oxmo Puccino - Opéra Puccino (1998) - Alias Jon Smoke

Overall vibe is similar to B-Real tracks, perhaps Cypress Hill ? don't really have a track in mind right now but the story telling style also reminded me of 14 Psycho Realm track La Conecta (Pt 2) of The Psycho Realm album. (1997)

Odetosun - Gods Forgotten Orbit (2013) - Veil of Leviathan

~1:20 has Gojira riff all around from on From Mars to Sirius (2005) album (such as Flying Whale track), the whole track is like that.

Hail Spirit Noir - Pneuma (2012)

Not a particular song but the whole album feels like there is huge amount of reference materials although arranged differently. I think there is several reference to Erik Satie in Against the Curse, We dream. Let your devil come inside is also quite familiar. When all is black sounds like some progressive bands such as Opeth (especially the vocals), also with a familiar melody and there is still references to Erik Satie. There is also intriguing vocals in Into the gates of time which sound like Leprous ? or something. Quite stunning album.

Note : Seems there is also Abigor references ? in lyrics of the next album Oi Magoi (2014), especially the track Satan is time which i can somehow relate at least thematically to the 2010 Abigor album although there may be a common reference i didn't get yet. UPDATE : Yeah so i guess it is thematically related but not really influenced, it draw from some relation in myths that Satan refer to one of the prime titan Cronus / Saturne which rebelled against Uranus (sky and everything else; father while Gaia is mother), that is also the why of Abigor album name "Time is the sulphur..." along with Satan actions seen as disruptive and transformative role.

Paradox - Tales of the Weird (2012) - Brutalized

The outro ~5:02 melody sounds like something i heard somewhere, perhaps a common simple melody ? immediate thought was Tetris game OST at first but it loosely match.

Paradox - Product Of Imagination (1987) - Continuation of Invasion

Popular melody starting after few seconds with known arpeggio and continuing until almost end of the track. Popular classical track ?

Entombed - Left Hand Path (1990) - Left Hand Path

Slayer vibe although death metal, especially the ~1:32 riff which cycle along the track.

Nadia Boulanger (1913) - Fantaisie variée pour piano et orchestre

~10:00 briefly sounds like some section of Franz Lizst Totentanz (1849)

Eminem - Kamikaze (2018) - Nice guy

Post chorus sounds like Ice Me Out (2018) by Kash Doll

La' Chat - Murder She Spoke (2001) - Ain't No Ni**a

Reference to Gangsta Boo track Who We Be from Enquiring minds album in lyrics (not really surprising considering their friendship) : Nigga I rob nigga I steal nigga I put your body in a field

Brigitte Fontaine - Genre Humain (1995) - Conne

Bells melody is also used in Futurama show intro, origin is likely Pierre Henry Psyché rock (1967), i also heard it in a Jean-Jacques Perrey and Luke Vibert mashup i think but don't remember which.

Siouxsie and the Banshees - The Scream (1978) - Mittageisen

The guitar playing (and speed doesn't help!) is oddly similar to what may be played later on by black metal bands. This seems to be a common pattern in rock since AMON DÜÜL II Utopia (1973) "The Wolfman Jack Show" track has the same pattern (slower) running through the whole track.

Killing joke - Pandemonium (1994) - Pandemonium

No fun facts but my general feeling toward this album has always been that it has some similarities to Slayer (Exorcism), O.L.D / Devin Townsend (Jana), Bauhaus (Black Moon).

Sarcastic Terror - Sarcästic Terrör (1992) - Fallen Life

Sounds pretty close (almost cover-like) to Arcturus track My Angel from the same album. (1991)

Elend - Sunwar The Dead (2004) - Sunwar The Dead (and more)

The voice, lyrical content and instrumentation on this track and the whole album remind me of Dead Can Dance Within the Realm of a Dying Sun (1987) they were probably inspired by this band since it is the same genre.

Tyrant Trooper - Insane Sickness (1995) - Bonded Through Hate

Beginning seems to be a popular death metal riff that i heard somewhere else, i even heard the whole song (many parts at least) somewhere else i think but i don't know yet from where, many riff in the album also sounds very familiar to me. (Death ? Morbid Angel ? Sodom ?) Incredible death metal anyway, quite like the production and rawness.

There is some similarity to the track Necrolatry (i think ?) in some songs of Emma-O album Mechanical. (2014) (track Headbang Until the End ?)

Gloryhammer - Return of the kingdom of fife (2023) - Brothers of Crail

There is a Devin Townsend Ziltoid vibe / reference ? due to the way "indeed" is voiced in track Brothers of Crail ~2:30

Tengger Cavalry - Northern Memory Vol 1. (2019) - Lone Wolf

Running riff sounds like Spieluhr by Rammstein. (and probably others)

Pogo Car Crash Control - Fréquence violence (2022) - Passe moi le bébé

~1:32 sounds like Devin Townsend rock opera passages (e.g. Ziltoid the Omniscient), there is probably Gojira influences as well at the beginning, a great band with its own sound blending many genres

Gojira - Mario Duplantier drum solo at les vieilles charrues (2010)

Quite similar drum patterns as Allan Holdsworth The sixteen men of tain (2000) the drums were yellow probably unintended and probably wrong.

Miles Davis - Get Up With It (1974) - Calypso Frelimo

The background bass pattern which start right away always remind me of Super Mario Bros Underground theme (game soundtrack) by Koji Kondo. (the first 6 notes pattern) Probably influenced because it is pretty much the same.

Edge of Sanity - Crimson (1996) - Part 6

Riff around 1:00 has Slayer vibes, same in Part 2 near the end. Very interesting album which blend many genres. :)

Dødheimsgard - A Umbra Omega (2015) - Architect of Darkness

~7:10 remnant of Satie melody (Gnossiennes ?) running around until ~9:00

Frank Zappa - Civilization Phase III (1990) - Amnerika

Around 1:04 always reminds me of The Legend of Zelda: A Link To The Past OST.

Aftermath - Eyes of Tomorrow (1994) - Proud Reflex

End of the track sounds pretty much like some Voivod riff. This album is probably one of my favorite trash album musically and due to the theme ! they renamed the band to Mother God Moviestar later on which has the same vibe and even reuse some previous tracks.

Apocalypse - Apocalypse (1988) - Digital life

Around 2:34 obvious Slayers Raining blood ? (1986) riff although slightly different.

NILE - Annihilation of the Wicked (2005) - Sacrifice Unto Sebek

The introductory patterns which repeat two times (cleaner on the second time) sounds like something i heard somewhere, maybe on a vocal focused folk track. (Brigitte Fontaine ?) Wonder if it is much older.

Sacrilege - Within The Prophecy (1987) - Flight Of The Nazgul

This track use riffs of previous tracks a lot such as the running riff of Winds Of Vengeance or some parts of The Captive.

Atrox - Orgasm (2003) - Methods of Survival

~1:20 riff sounds like some well known patterns that i heard somewhere many times, for instance Star Control 2 Thraddash Theme (more obvious in the remastered version)

Vauxdvihl - To Dimension Logic (1994) - In Search of Forever

~2:00 melody is pretty much like some unidentified (yet) tune, don't know yet if it is a french song or something else related to metal music but i know it was a popular song.

The Moon Lay Hidden Beneath A Cloud - Amara Tanta Tyri (1994) - 13 (Untitled)

The background drone always reminds me of the background drone in the Tanaris zone OST of the World Of Warcraft game. They are pretty similar so i don't know if they are using the same sample / synth. patch / instrument, it may be a simple coincidence as well.

Allan Holdsworth - Wardenclyffe Tower (1992) - 5 to 10

The intro (first minute) always reminded me of some Secret of Mana OST (ones playing in "watery" environments or dungeons ?), probably due to the same instrument / harmonics style, also related melodically perhaps but it is much more sophisticated on Allan Holdsworth track.

Counter-World Experience - Music for Kings (2012) - David

Highly influenced by Allan Holdsworth.

Thee Maldoror Kollective - New Era Viral Order (2002) - Epidemic Noise Age

The end dark ambient soundscape + voice and the way it is sung directly reminded me of Timeghoul Panaramic Twilight album (1994) Boiling in the Hourglass song at ~7:53, may just be a coincidence.

Replicant - Infinite Mortality (2024) - Orgasm of Bereavement

~1:11 sounds like a riff coming from one of the track of Demilich album Nespithe (1993) but arranged slightly differently and shorter.

Manes - Maanens Natt (1993) - De Morke Makters Dyp / Maanens Natt

So many reference riffs in this although i don't know yet all the relations with other bands (Arcturus is certainly one though) but many riffs sounds typical to the "good" black metal of this period and stuff afterwards, listened best in the 2002 compilation.

Gorgoroth - Pentagram (1994) - Under the Pagan Megalith

~1:30 strong Bathory influence down to the title i guess.

Manes - Vilosophe (2003) - Diving With Your Hands Bound (Nearly Flying)

The end loop made me think of the Coil track Windowpane from Love's Secret Domain album (1991) or some other Coil song i don't remember right now, don't know if it is a reference, sounds pretty similar to me. Anyway this album is quite something to hear in term of novelty (probably influenced or was influenced by Ulver with tracks such as White Devil Black Shroud ? can also hear some Police in the vocals...), later albums are also great.

Abhor - Sex Sex Sex (Ceremonia Daemonis Anticristi) (2022) - Ceremonia Daemonis Anticristi

There is a very short pattern in there that is similar to Sodom Deadline song and others (see above) although it does not resolve in the same way. Ritual Satanism after ~40s is also oddly familiar, sounds like something i heard in a french punk rock song or something...

Sepultura - Roots (1996) - Lookaway

The tribal spoken sounds is quite similar to some spoken sounds in Korn mid 90 album or Gojira offshot band Empalot. (Tous aux cèpes 2001)

Sixth Comm - A Nothing Life (1987) - State Laughter

The catchy choir is something i heard somewhere else...

Boards of Canada - A few old tunes (1996) - Up the march bank

Probably unrelated but it sounds likes like some tunes in Sim City SNES version. I guess the timbre is similar and it has some close melody.

Rammstein - Moskau (2004) - Reise Reise

The running three notes riff is the same as some riff on Soulfly Pain track starting at ~2:30 of Primitive album (2000)

Protector - Golem (1988) - Delirium Tremens

~2:28 pretty similar to Slayer style riffs.

The Exploited - Beat the Bastards (1996) - Don't blame me

The bass pattern at ~4:00 is the same as a recurrent motif in Bomb the Bass Megablast (Hip Hop on Precinct 13) of Into the Dragon album (1988)

Grave - Into The Grave (1991) - Into The Grave

~0:30 sounds pretty much like Black Sabbath first track (1970), quite common reference i believe so i think i heard it on many other records eg. Fallen Christ No maker no god (Adbuction Ritual, 1994)

Mentality - Teonanacatl (1998) - Mental E.T.

~1:40 background melody sounds like Burzum Det som en gang var of Hvis Lyset Tar Oss album (1994), this melody can also be heard on track White Slavery at ~4:00 by Type O Negative (World Coming Down, 1999 album)

Al Kapone - Da resurection (1995) - Vampin With No Remorse

Sweeping melody sounds like Dr Who TV show intro (1963 - 2xxx), quite common sweeping sequence in early hip hop i believe, also in Synthpop such as Yellow album Bostich (1984).

Atrox - Contentum (2000) - Panta Rei / Gather In Me No More

~0:40 intro riff (and the bass drop) sounds like Pink Floyd Echoes track at ~20:42, it is also a pattern i heard in recent albums of Enslaved i think such as In times (2015) ? (still unsure about the band / track)

Funebrarum - Exhumation of The Ancient (2016) - Draped in Silence

Intro sounds like Lorn Custom eyes (2008) main pad, also in Kataxu Ancestral Mysteries (2021). Same synthesizer patch ?

Vinnie Moore - Time Odyssey (1985) - Message in a Dream

~1:00 a short looping sequence which reminds me of some patterns of the OST of U.N. Squadron Super Nintendo game. (composer : Manami Matsumae) Same actually for Metallica for For Whom The Bell Tolls at ~1:15.

Chakal - Death is a lonely business (1993) - Before it's too late

~3:00 sounds like some Slayer riff style ? May also seems to be a popular melody.

Therion - Gothic Kabbalah (2007) - Chain of Minerva

Girl voice short melody at ~1:00 also seems to appear in Leprous track Slave from The Congregation (2015) album, not really surprising that they may have been influenced by Therion, i may have heard this somewhere else also since it is short and may have appeared in other songs.

Amebix - No Sanctuary (1983) - Control

The faint running background melody that goes up and down along the track reminds me of Coil track Where are you ? from album Musick to Play in the Dark Vol. 2 (2000) it sounds pretty similar. Same for the intro of The seed track on album The Humming Mountain (2021) of Gaahls Wyrd.

Gaahls - GastiR Ghosts Invited (2019) - From the Spear

~2:30 has short riff reference to Alice in Chains Would (1992) ? the reference is perhaps quite subtle because the riff resolve on a different note.

Troll - Universal (2001) - Fields of a new sun

The whole song play around a Bathory pattern Enter the eternal fire ? from Under the sign of the black mark.

Thy Darkened Shade - Liber Lvcifer II - Mahapralaya (2023) - Qelippot Epiphany

Intro of Qelippot Epiphany sounds like a popular melody, don't remember which. On the same album there is the track Acausal Current of Thanatos with ascending and descending pattern at the end of the track similar to Pink Floyd track Echoes Part II. This pattern can also be heard shortly in Kristenhat of Troll, Drep de Kristne (1996) album.

Stupeflip - Most albums ?

Well known i guess but the whole sound (voice and lyrics especially !) of Stupeflip (or maybe C4di114c ?) is heavily influenced by what Jean-Louis Costes did much earlier (plus many hip hop stuff), this guy art is incredible ! I am not sure of this at all but i know that Cadillac mention him in an interview at least. There is so many references in Costes sound as well (either earlier or past), notably a bit of Brigitte Fontaine (i believe), i will leave the reader to just go listen to Costes sounds to find all the cool gems among the noise.

Mactätus - Blot (1997) - Black Poetry

Synth part in this track follow the synth in song Det som en gang var from the album Hvis Lyset Tar Oss (1994) by Burzum.

Ved Buens Ende - Written in Waters (1995)

No particular finds but i always found that this band sounds similar to the later Akercocke.

Holy moses - The New Machine of Liechtenstein (1989) - Panic

Intro and whole track has a Voivod vibe, even the clip.

Abigor - Fractal Possession (2007) - Cold Void Choir

~0:40 short riff reminds me of Gojira.

Abigor - Channeling the quintessence of Satan (1999) - Dawn of Human Dust

~5:10 reminds me of Slayer riffs albeit a bit different.

Abigor - Höllenzwang (2018) - None Before Him

~2:00 bass line reminds me of Frank Zappa intro for Inca roads song in One Size Fits All album (1975)

Betty Davis - Nasty Gal (1975) - The Lone Ranger

~2:30 bass pattern can also be heard in a yet unidentified Brigitte Fontaine song (Comme à la Radio ?), probably popular pattern.

Shriekback - Tench (1982) - Accretions

~3:30 (and along the song) don't know if the bass pattern is just a popular one but sounds like i heard it in some songs, a prior example of this pattern is in the song Rock Lobster (1979) from The B-52's.

Toxic Rabbits - Witches (2024) - Dance

~2:24 voice chorus is similar to Rock Lobster (1978) song by The B-52's at ~2:28. Maybe this is just a common pattern because of its simplicity. The song later sounds like ~90s Sonic Youth.

Noir Désir - Des visages des figures (2001) - L'Europe

Brigitte Fontaine cryptic text seems to have references to her upcoming book La Bête curieuse (2005) (sentence which is reused in the book, probably explainable because she was writing it at the time), example : la vérole sur vos gueules

This song is quite dronish at times, i wonder if there is a reference at ~10 minutes from the end to Éliane Radigue Kyema composition from Trilogie de la mort (1998), especially around ~44:20, perhaps just a coincidence, those sounds are incredible.

Danse Society - Heaven Is Waiting (1984) - Come Inside

Vocals makes me think of Killing Joke The Hum song (1982) but maybe other songs as well, guess the affiliation is well known.

Miranda Sex Garden - Carnival Of Souls (2000) - Thrusty Bob's Hardcore Lounge

Sounds like a Boards of Canada song although heavily smudged, don't know the particular BoC track yet !

Brigitte Fontaine - L'un n'empêche pas l'autre (2011) - Caravane

Very similar to Miranda Sex Garden song Caravan of the Carnival of Souls (2000) album in almost everything musically although more uplifting, can't be a coincidence... :)

Brigitte Fontaine - Terre Neuve (2020) - Hermaphrodite

No particular finds on this absolute gem of a song except that the text seems to have heavy gnostic references (pagan reference, dualistic view up to the name of the song i guess), the whole song feels like some brilliant poetically laid out cosmogony. Direct evidence to me is the word which seems misspelled at 3:26. (not sure though, can also means hundred years which still would be thematically related) Brigitte Fontaine always has deep references (sometimes loosely related) scattered within her work probably due to her wide interests and love of words (and worlds!), such as in her 1980 LP Les Eglantines Sont Peut-Être Formidables L'Éternel Retour or Genre Humain.

Sabre - On The Prowl (1985) - Somethin' (Under My Bed)

This track sounds pretty similar to Alice in Chains stuff. Many tracks actually sounds like stuff that Alice in Chains did later such as the track If It Feels Good, just listen to the chorus ! :D