Modern Clarinet Practice (Trios) Book 1 by Rudolf Jettel. Josef Weinberger, 1959. These books contain a total of 17 equal trios for three clarinets. Book 1 includes numbers 1 through 6. There are separate parts for each player. The first clarinet part includes the score with the other parts reduced in size and is cleverly printed to avoid page turns. For better high school players and beyond. (C0354)