Rhythm Atlas · 1 of 10
Rhythm Atlas · Lesson 1 of 10
Drum & Bass: The Two-Step Skeleton
Four hits per bar carry the fastest genre in this atlas. This grid was measured from a reference master in our Producers Classroom study — every step below is a detected hit, and the one row we couldn’t verify is left empty, on purpose.
Waveform — this lesson’s grid, rendered in the lab from the verified steps
Measured — kick steps in one bar at 174 BPM
1 & 11 of 16
Two kick hits. Two snare hits. One ghost. The two-step is a skeleton, not a pattern — everything else in a DnB record is built around these four points and can be removed without the groove noticing.
Step 1
Two kicks, two snares — that’s the whole engine
Drum & bass at 174 BPM runs on the sparsest skeleton in this atlas. We measured a reference master hit for hit: the kick lands on steps 1 and 11 only, the snare on 5 and 13 — the two-step. Everything else in the record is decoration around those four hits.
Program exactly that first. Four hits per bar, nothing else, at 174. If it doesn’t already feel like it’s leaning forward, the problem is your sounds, not missing notes.
Step 2
Read the grid, then hear it
The kick on 11 is the whole trick: it lands one 16th before the snare’s second hit would resolve the bar, so the pattern never sits down. The single ghost at step 8 keeps the snare hand alive without adding a fifth structural hit.
The verified skeleton. The hat row is empty on purpose: in the master we measured, the hats would not separate into a countable row — so we don’t print one. The ghost at step 8 is real; a second ghost sometimes drawn at step 15 was NOT detected, and isn’t here.
Step 3
What we didn’t print, and why
Two things you’ll see in other transcriptions of this style are missing here, deliberately. The hat pattern: in the master we measured, the hat layer wouldn’t separate cleanly enough to count — printing a 16th-note hat row would be inventing data. And a ghost at step 15: looked for, not detected. This atlas prints measurements, not genre folklore — when a row can’t be verified, the row stays empty and says why.
Try it in the browser — free, nothing to install
Beat MakerThis grid, loaded for you — the two-step at 174 BPM on the site sequencer, free packs’ soundsPattern PlayerThe free MIDI patterns in three voices — the Listen tabCheck your work
Failure checkCommon failure: filling the skeleton
Adding kicks on 5 and 13 "to drive it" turns the two-step into a four-floor with extra steps — the lean disappears because the kick now resolves every beat instead of pulling against the snare. If your two-step feels static, check your kick count first: it should be two.
The skeleton, in your hands
There’s no drum & bass pack in our catalog, and this lesson won’t pretend otherwise. What exists is the tool this grid was checked against: the Free Drum One-Shots — the same sounds the Beat Maker below is stocked with. Program the two-step with them and it’s yours.
Keep learning
Rhythm Atlas · Next
UK Garage: The Break That Swings
The other two-step — this one shuffles, and its printed swing number is wrong.
Next lessonLow End Foundations
Synthesize a Kick That Punches
At 174 BPM your kick has half the time to speak. The recipe for one that still punches.
Read the how-to