Through his operas, his symphonies, his compositions for his own ensemble, and his wide-ranging collaborations with artists ranging from Twyla Tharp to Allen Ginsberg, Woody Allen to David Bowie, Philip Glass has had an extraordinary and unprecedented impact upon the musical and intellectual life of his times. "The most powerful composer of our time... what Glass is doing is changing the face of music for our time and all time." - The Daily Telegraph "The man who changed modern music." - The Village Voice