Introduction
SousaFX is a multi-effects rig made with Max/RNBO with the goal of bringing dubstep (and other wobble-bass genres) into the repertoire of genres that tuba players can perform. A game controller attached to the side of the instrument is used to control a number of audio effects, including:
- An auto-wah carefully tuned to be as musical as possible.
- DJ-style lowpass / highpass filters.
- Two one-button loopers, one for the bassline and one for the drums.
- 64 drum samples, playable with the bumpers and triggers.
- Dub delays with separate parameters for input volume, feedback amount, and highpass frequency.
- Reversible, scatterable stutters with acceleration via phase-locked loops.


