Schott Fröhliche Klarinette Duo 1, Songbook for Clarinet, Duo booklet 1: 32 popular duets from Beethoven to Klezmer, Arranged for 2 clarinets, By Rudolf Mauz, With chords, Easy level of difficulty, ISBN: 9783795709952, ISMN: 9790001160773, publisher's no. D 22545, Format: 23 x 30.5 cm, 56 Pages