Philip Morris Glass (born January 31, 1937) is an American composer. He is widely regarded as one of the most influential musicians of the late 20th century.
Glass's compositions have been described as minimal music, similar to other "minimalist" composers including La Monte Young, Steve Reich and Terry Riley. However, Glass has described himself instead as a composer of "music with repetitive structures", which he has helped evolve stylistically.
Glass founded the Philip Glass Ensemble, with which he still performs on keyboards. He has written numerous operas and musical theatre works, eleven symphonies, eleven concertos, seven string quartets and various other chamber music, and film scores. Three of his film scores have been nominated for Academy Awards.