2007 import-only two CD set released to coincide with the innovative and influential composer's 70th birthday. Throughout the years, apart from his own releases, Glass has been involved with scoring soundtracks, producing albums by other esoteric artists as well as more conventional acts plus inspiring and influencing generations of fans and peers. This thoughtfully compiled collection contains 18 tracks including 'Lightning', 'Metamorphosis Four', 'Glasspiece #1', 'Wichita Sutra Vortex', 'Changing Opinions' and more. Sony/BMG.