Paul Hindemith (16 November 1895 – 28 December 1963) was a German composer, violist, violinist, teacher and conductor. Notable compositions include his song cycle Das Marienleben (1923) and opera Mathis der Maler (1938). Hindemith's most popular work, both on record and in the concert hall, is probably the Symphonic Metamorphosis of Themes by Carl Maria von Weber, written in 1943.