Tuesday Happenings

What Would Eno Do?

The Scratch Orchestra was left-wing English composer Cornelius Cardew's experiment in radically democratic music. The project brought musicians and non-musicians together to jointly compose and perform "liberation music." Non-musician Brian Eno was a longtime member of the group. For what might be the first time in your life, you can be like Eno by joining the Berwick Institute's Scratch Orchestra reenactment. The first rehearsal is tonight. Berwick Institute, 14 Palmer St., Roxbury, 7:30 p.m. Bring an instrument. More information.

Minimalism

Nonevent presents the Asher/Brendan Murray Duo, a pair of sound artists who make spare, droney soundscapes. One has a laptop and the other doesn't. Cafe Fixe, 1642 Beacon St., Brookline, 8 p.m. $5 donation. More information.