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# musical sketchbook 09
- URL: https://wootangent.net/musical-sketchbook-09/
- Published: 2009-03-15T11:47:09.000Z
- Updated: 2009-03-15T11:47:09.000Z
- Author: Leigh Dyer
- Tags: Sketchbook, #Migrated-1792830072870, #wp, #wp-post, #Import 2026-10-24 08:21

Download [09.mp3](http://electronaut.linuxgamers.net/~lsd/music/sketchbook/09.mp3?ref=wootangent.net)

Nothing quite as elaborate as yesterday's multi-track creation today, but instead just a bit of a bass sound -- about the [fattest bass I could make](http://electronaut.linuxgamers.net/~lsd/music/sketchbook/09.mp3?ref=wootangent.net) on the Blofeld. Any deeper and we'd be hitting the brown note for sure.

I used two pulse waves with random LFOs applied to modulate their pitches to simulate oscillator drift on an old analogue synth, and a sine wave an octave down to give it more depth. I also enabled six-voice unison mode with some detuning to further fatten the sound.