AN-107 min read

Bass Lab

Basslines in seven styles that follow your chords — with accent, slide and glide.

The bass connects rhythm and harmony: it plays with the kick and at the same time tells you which chord is sounding. The Bass Lab writes basslines that fit your ProgressionA sequence of chords that repeats, e.g. i–VI–III–VII.More in the handbook → and your genre — from driving sixteenths to a squelchy AcidSquelchy bass with resonant filter, accents and slides — the sound of the 303.More in the handbook → line.

The Bass Lab: styles on the left, chord strip, piano roll with accent and slide lane.
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The seven styles

ParameterRangeWhat for
Rolling 16thsTechno, tech house · 128Sixteenths around the kick, accent on the offbeat
OffbeatTrance, house · 128Bass between the kicks on the “and”
Acid 303Acid techno, acid house · 132Sixteenth sequence with AcidSquelchy bass with resonant filter, accents and slides — the sound of the 303.More in the handbook → and Slide / glideThe pitch glides to the next note instead of jumping. A trademark of 808 basses and acid.More in the handbook →
808 GlideTrap, phonk · 140Long notes, octave jumps, glide
Reese SustainDrum & bass, neuro · 174Sustained notes, little movement — the ReeseWide, beating bass from two slightly detuned saws — typical of drum & bass.More in the handbook → sound does the rest
Disco OctaveNu disco, italo · 118Eighths alternating octaves
Walking GrooveDeep house, garage · 122Syncopated chord tones, approach note before every chord change
ParameterRangeWhat for
Length1, 2, 4, 8 barsLoop length of the bassline
Density0–100 %How many notes
Complexity0–100 %Colour tones, leaps, slides
Variation0–100 %How much bars 2, 4 … differ from the base pattern, including fills
Octave−1 … +2Default register G0–F#1
Space
Play/stop
R
New seed
←→
Change style
↑↓
Octave

Try it yourself · AN-10

Pick a style, roll, listen with a kick. Yellow = accent, blue = slide.

Quick check

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