As one of postmodern music's most celebrated and high-profile composers, Philip Glass' myriad orchestral works, operas, film scores, and dance pieces proved essential to the development of ambient and new age sounds, and his fusions of Western and world musics were among the earliest and most successful global experiments of their kind. Tirelessly exploring and pushing boundaries since the early '60s, Glass produced multiple breakthrough works that helped define entire musical movements, with standouts including 1976's durational opera Einstein on the Beach, 1982's collection ...