Indexical presents a triple bill of electroacoustic performances at Radius Gallery featuring modular analog synths and sampling, bass clarinet and feedback, and a wall of noise from a 10-stringed acoustic guitar. Featuring electronic musician Michelle Lou (Santa Cruz), clarinetist Gleb Kanasevich (NYC), and guitarist Daniel Meyer (LA).

Indexical presents ecstatic improvisation and high-volume microtonal drones by the duo of John Krausbauer & Kaori Suzuki (Oakland) on violins, voices, bells, and strobe lights; tape loops and hypnotic live-drawing by The Swinging Chandeliers (LA) Joseph Hammer of the Los Angeles Free Music Society with artist/hypnotist Sayo Mitsuishi; and microtonal lap steel guitar by Henry Birdsey (Vermont) of drone duo Tongue Depressor. Expect a night of trance-inducing sounds from a variety of strings instruments and electronics.

Indexical presents Hung Tzu Ni (Taiwan) in performance on an analog light sequencer, involving a step motor, prismatic refractions, and an oscillator combined with her voice. Ashley Bellouin & Ben Bracken (Petaluma) make music with both traditional and handmade instruments that exploit the natural overtones and sympathetic vibrations generated by highly redundant tuning systems. Daniel Allas (LA) performs new solo electronic music about the physicality of sound.

Ghost Ensemble is dedicated to new musical perspectives that explore the act of listening. The ensemble’s music creates sonic spaces that shift our attention, perception, or experience of time. Ghost Ensemble: Arctic Air presents Pauline Oliveros’s whisper-soft large-ensemble work Arctic Air alongside Wilfrido Terrazas’s Ifigenia en, Ben Richter’s Wind People, the West Coast premiere of James Ilgenfritz’s Apophenia V: Outmoded Large Crumbling Oval Lime-Green Midwestern Plastic-Frame Reading Glasses, and the world premiere of a new work by Marguerite Brown.

Ghost Ensemble’s performance is graciously sponsored by the Vincent J. Coates Foundation.

Kuumbwa Jazz & Indexical present radical musician, poet, and artist Moor Mother. Camae Ayewa (Moor Mother) is a nationally- and internationally-touring musician, poet, visual artist, and workshop facilitator, and has performed at numerous festivals, colleges, galleries, and museums around the world, sharing the stage with King Britt, Roscoe Mitchell, Claudia Rankine, bell hooks, and more. Las Sucias is a duo formed by Danishta Rivero and Alexandra Buschman, mixing anti-patriarchal riotgrrrl lyrics, Afro-Caribbean rhythms, brujería noise and possessed vocals.