Notations 21, an upcoming book and website explores the history of graphic notation in the 40 years since the publication of the legendary John Cage/Alison Knowles anthology.

The Arthur Doyle Electric-Acoustic Ensemble heats up the Ars Nova Workshop’s stage.

Unsilent Night marches a few hundred strangers into the surreal.

The eccentric, do-it-yourself presenting outfit Chamber Music Now opens its fourth season with the cello and percussion duo Odd Appetite.

Cynthia Hopkins’s Accidental Nostalgia is a stand out during the Philadelphia Live Arts Festival and Philly Fringe.

Part of Abington Art Center’s installation of The Lost Meeting, a collaborative project between J. Morgan Puett, spurse (a nebulous collective), Philadelphia-based curator Julie Courtney, and Bang on a Can’s David Lang.

The Philadelphia Museum of Art’s popular Art After 5 series hosts local jazz artists all summer long.

A look at Paul Dresher’s Slow Fire and The Tyrant.

A look at Richard Einhorn’s Voices of Light.

Pianist McCoy Tyner plays the Gershman Hall of The University of the Arts.