Aubert, Berr, Bertalotti, Blavet, Bohlmann, Boismortier, Campagnoli, Campagnoli, Chedeville, Demar, Devienne, di Lasso, Furstenau, Garnier, Geminiani, Glazounov, Glinka, Goedeke, Goepfert, Halven, Hasse, Haydn, Hoffmeister, Keller, Klosé, Komarovski, Krak. CLARINET DUET. A 76 page book bursting with value. The difficulty level is wide - something for everyone! Pieces are approximately Grade: 1 - 5 standard.