In what style of art did Edward Purrington and Paul Hindemith collaborate?
Edward Purrington: Edward Purrington (December 6, 1929 – April 14, 2012) was an American opera director and artistic administrator. Paul Hindemith: Paul Hindemith ( ) (16 November 1895 – 28 December 1963) was a prolific German composer, violist, violinist, teacher and conductor.
i don't know