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| 1 | +id: boom-bap |
| 2 | +rank: 11 |
| 3 | +name: BOOM BAP & UNDERGROUND HIP HOP |
| 4 | +family: Hip Hop |
| 5 | +years: 1988 → present |
| 6 | +source: ON REPEAT |
| 7 | +sub: Sample-based, drum-machine-driven rap built on crate-digging and technical rhyme |
| 8 | +spec: 72,86,90,74,60,62,68,74,76,72,68,70,76,80,78,70,62,54,46,38 |
| 9 | +synthType: square |
| 10 | +freqs: 68.94, 86.41, 335.14 |
| 11 | + |
| 12 | +what: |
| 13 | + "Boom bap" is onomatopoeia for the kick-snare pattern that defined East Coast rap from about 1988 to 1996 — DJ Premier, Pete Rock, Large Professor, RZA. Its afterlife has been unusually long: the Griselda camp out of Buffalo (Westside Gunn, Conway, Benny) revived it wholesale in the late 2010s, sometimes stripping the drums out entirely for a "drumless" variant. |
| 14 | + |
| 15 | +artists: |
| 16 | + Gang Starr, Pete Rock & CL Smooth, A Tribe Called Quest, *De La Soul*, Wu-Tang Clan, Nas. The underground continuum: *MF DOOM*, Evidence (of Dilated Peoples, and a producer in his own right), The Alchemist, Roc Marciano, Ka, and Griselda. *ASM* (A State of Mind) is a French duo — DOOM guested widely with European acts in his later years. |
| 17 | + |
| 18 | +trivia: |
| 19 | + The title track of De La Soul's *Stakes Is High* (1996) was the first beat the group took from a young Detroit producer named *J Dilla*, and it introduced him to a national audience. Separately, De La Soul's catalogue was *absent from all streaming services until March 2023* because of unresolved 1980s sample clearances — three decades of a foundational discography effectively invisible. MF DOOM's death in October 2020 was not announced until December 31 of that year. |
| 20 | + |
| 21 | +sonic: |
| 22 | + Dusty, band-limited loops — usually a 2–4 bar chop from a soul, jazz or library record — with the drums sitting slightly behind or ahead of the grid rather than quantised flat. Kick around 60–80 Hz, snare thick and mid-heavy at 200 Hz with a short room tail. Griselda-era production pushes this further: loops left unlooped, tape hiss audible, sometimes no drums at all under the verse. |
| 23 | + |
| 24 | +gear: |
| 25 | + The *Akai MPC60 and MPC3000* are the genre's defining instruments — their 12-bit converters and slightly loose internal timing produce the grit and the swing. Also the E-mu SP-1200 (even lower fidelity, prized for it), Technics 1200 turntables for the digging and the scratches, and a Roland TR-808/909 for supplementary drums. |
| 26 | + |
| 27 | +prod: |
| 28 | + The signature swing is a sequencer setting, not a performance: the MPC's timing-correct/swing parameter set around 54–62% pushes every off-beat late by a few milliseconds. Producers deliberately record loops through the sampler's low bit-depth and sometimes through a cassette deck for saturation. Modern practitioners recreate this with plugins but many, Alchemist and Evidence included, still track through hardware because the artefacts are the point. |
| 29 | + |
| 30 | +tracks: |
| 31 | + - P1·24 | Stakes Is High | De La Soul |
| 32 | + - P2·05 | The Red Carpet | Evidence, Raekwon, Ras Kass |
| 33 | + - P2·29 | Masking | ASM, MF DOOM |
| 34 | + - P2·25 | KITCHEN LIGHTS | Westside Gunn, Stove God Cooks |
| 35 | + - P2·23 | Still Dreaming | Nas, Kanye West, Chrisette Michele |
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