Instrumental Duet Descant Recorder,Guitar,Instrumental Duet - Level 4 - Digital Download SKU: A0.531830 Composed by R. Schumann. Arranged by Klas Krantz. Classical,Romantic Period. Score and parts. 4 pages. Amadeus Music #18823. Published by Amadeus Music (A0.531830). Robert Schumann (1810 – 1856) was a German composer, aesthete and influential music critic. He is one of the most famous Romantic composers of the 19th century.