en Altadefinizione. This creative educational film by Pieter Van Deusen features a variety of percussion instruments performed by noted musicians Bruno Hoffmann, Eric Remsen, and Taranath Rao. The film crew included Les Blank and Skip Gerson. This film was part of a music film series for Churchill Films: Wind Sounds, Percussion Sounds, and an offshoot film by Pieter with Les Blank entitled Christopher Tree.