Part III - Virtuoso Studies and Duos. Composed by Ludwig Van Beethoven; Iwan Muller; Wolfgang Amadeus Mozart; Gustave Langenus; Rodolphe Kreutzer; Friedrich Berr; Federigo Fiorillo; Ernesto Cavallini. Arranged by Gustave Langenus. Classical. Student book. With Standard notation. …

(Teil 1: 7 Etuden, Teil 2: 15 Etuden). Composed by Iwan Muller. Edited by Leopold Wlach. For clarinet. Woodwind music. Level 3-4. 43 pages. Published by Doblinger Music Publishers