Indexical, based in Santa Cruz, California, is dedicated to experimentation in music. Indexical engages the public in radical and unfamiliar artistic work through an ongoing series of performances, workshops, and publications.  Indexical is a site for radical and experimental work. It works with musicians and other time-based visual or performing artists to bring about new projects that push the boundaries of the discipline.

Indexical has presented concerts since 2011, beginning in a converted chapel in Brooklyn and relocating in 2015 to Santa Cruz, California. Since moving to Santa Cruz, Indexical has presented over 75 performances, artist talks, participatory workshops, and large-scale public art events.