http://www.paul-hindemith.org/
http://www.classical.net/music/comp.lst/hindemith.php
_ Paul Hindemith: Sonata per Viola sola, Op.25 No.1 ( ...
http://www.youtube.com/watch?v=3W8tNQc-pww
_ Paul Hindemith: Heckelphone Trio op. 47
http://www.youtube.com/watch?v=hmt7cPHsDOE