1st brain: writing a song in C major or A minor

2nd brain: composing in modal or serialist/tone-row forms

3rd brain: atonal generative computer music code-golfing

4th brain: building dozens of theremin-playing garden gnomes which themselves are theremins, and precisely positioning them in intricate fractal pentagrams to produce polyphonic threnodic whirls

@jk
nth brain: A free jazz group located in individual sensory deprivation tanks separated by thousands of miles, connected only via laggy PA links. One of the members' instruments controls the lag of the link between others, but nobody knows which. It changes every bar.