Where it came from
The same New York and New Jersey clubs that played gospel house on a Friday were playing something rougher on other nights. Latino and Black teenagers had absorbed Kraftwerk through Afrika Bambaataa and New Wave through the radio, and what came back out was freestyle: syncopated electro drums, Spanish-inflected melody, and cheap digital synths.
Alongside it ran a tribal strain - records built on hand percussion and chanted vocals rather than song structure, of which Cultural Vibe's 1986 record on Easy Street is the best-known example. Tony Humphries edited that one for the floor, cutting it to maximise space and echo.
Both strands share a rhythm-section philosophy: the bass never lands where the kick does.
How it works musically
Straighter than Chicago - 53% rather than 56%. These records drive forward instead of rocking side to side, and some of them are dead straight.
Two drum approaches. Freestyle breaks the kick entirely: it hits the downbeat, skips beat two, and bounces on the off-sixteenths, with a clap flamming into the snare. Tribal keeps four-on-the-floor but hands the sixteenths to a rimshot rather than a hi-hat, which is why those records sound like wood rather than metal.
The bass is the interesting part. In the tribal pattern here it lands on a kick step exactly once per bar - everything else sits in the gaps. That single point of agreement is what anchors it; the rest is pure push and pull.
Sounds are digital: FM and phase distortion rather than analogue filters. Sharp, metallic, rubbery. Keep note lengths to exactly one sixteenth or the envelope will not retrigger and the snap disappears.