David Adjmi’s Stereophonic zooms in on a music studio in the mid ’70s, where an up-and- coming rock band recording a new album finds itself suddenly on the cusp of superstardom. Will the ensuing pressures spark their breakup—or their breakthrough? Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by making a donation to our publisher, Theatre Communications Group. When you support American Theatre magazine and TCG, you support a long legacy of quality…