- Boom bap also uses jazz records. What is the real difference?
- How harmony behaves. Boom bap usually chops a jazz record into a two-bar loop, so the harmony is functionally frozen. Jazz rap keeps a real progression moving through sevenths and ninths and reserves space for a solo. Prompt “full jazz chord progression, upright bass walking, eight-bar instrumental solo in the middle” and the track stops collapsing back into a loop.
- How do I get a bass that genuinely walks?
- Specify the playing: “upright bass walking in quarter notes, changing note every bar, offset from the kick rather than locked to it, audible finger and fingerboard noise.” The defining quality of a walking line is its independence from the drums — the moment the bass follows the kick, the track sounds like ordinary hip-hop again.
- How is this different from chillhop?
- One has a rapper and the other essentially does not. Chillhop is an instrumental miniature whose job is to sit behind something. Jazz rap is built around the vocal, and the arrangement exists to serve the writing, which means the midrange has to stay open. Prompt “instrumental, no vocals” for one and “rap-led, moderate pace, midrange clear for the vocal, instruments arranged to the sides” for the other.