Scroll below for a video/audio overview of the book. High school instrumentalists studying the trombone, euphonium (baritone horn) cello, double bass, and bassoon will encounter the tenor clef in advanced works. The tenor clef is a moveable C clef used to represent music written in the upper ranges for those instruments. Its symbol is identical to the alto clef, also a moveable C clef. Middle C is located on the 4th staff line in tenor clef,...