Instrumental Duet Clarinet,Guitar,Instrumental Duet - Level 4 - Digital Download SKU: A0.532232 Composed by Moritz Moszkowski. Arranged by Klas Krantz. Concert,Romantic Period. Score and parts. 6 pages. Amadeus Music #4283091. Published by Amadeus Music (A0.532232). For clarinet in Bb and guitar, score and parts. Moritz (Maurice) Moszkowski (1854 – 1925) was a German composer, pianist, and teacher of Polish-Jewish descent.