MUSIC

Dada artist Kurt Schwitters’s classic “Sonata In Primeval Sounds,” also called “Ursonate,” is performed by Urchestra: vocalists Andy Laties and Rebecca Migdal, percussionist Eric Blitz, GLOVE, John Landino (trombone, trumpet, cello), Denis Luzuriaga (synths) with invented-instrument-makers Mitch Ahern (electoluxopipeophone, crutch) and Pronoblem (bass, board, cane, clarinet). The show takes place 8pm, Sunday October 18, at Outpost 186, located at 186 1/2 Hampshire Street, Inman Square, Cambridge, MA. Directions: Near corner of Prospect, opposite Hess gas station, behind 7-11. Big '186' on right side. Follow walk at left to gallery, REAR. ?? Published in 1932, Kurt Schwitters’s “Sonata In Primeval Sounds” is the granddaddy of sound-art poems: a 45-minute nonsense opus that develops 26 abstract themes in classical sonata format. Andy Laties’s rousing participatory interpretations were honored in Chicago Museum of Contemporary Art’s major “Art In Chicago 1945-1995? retrospective.