A Chicago-based concert series and performance collective curated by Nomi Epstein featuring post-Cagean notated, experimental music.* Repertoire explores the indeterminacy of various musical elements including instrumentation, structure, pitch, and/or duration.

*Founded by Nomi Epstein and Lee Weisert in 2010.

The Chicago Wandelweiser Festival

a co-production by a.pe.ri.od.ic and Frequency Series  Sept 20- 22nd, 2014.

a.pe.ri.od.ic will release its debut CD,

more or less, of Jürg Frey music under New Focus Recordings.