Following the second World War, Olivier Messiaen, previously known primarily for his religious music, composed three works inspired by the medieval love story of Tristan and Iseult: Harawi, Turangal DEGREESDla-symphonie, and Cinq rechants. Though the song cycle, symphony, and choral work each consider their source story in a different way, the three compositions are tied closely together by theme and musical technique. This new study is the only full-length consideration of this most significant work, applying literary techniques of stylistic analysis and source...