As the fiftieth anniversary of the Summer of Love floods the media with debates and celebrations of music, political movements, “flower power,” “acid rock,” and “hippies”; The Explosion of Deferred Dreams: Musical Renaissance and Social Revolution in San Francisco, 1965-1975 offers a critical re-examination of the interwoven political and musical happenings in San Francisco in the Sixties by author, musician, and native San Franciscan Mat Callahan.