Instrumental Duet Alto Saxophone,Flute,Instrumental Duet - Level 1 - Digital Download SKU: A0.740785 Composed by Robert Schumann. Arranged by Ellen Macpherson. Concert,Instructional,Opera. Score and parts. 2 pages. Ellen Macpherson #6115409. Published by Ellen Macpherson (A0.740785). Flute and Alto Saxophone Duet - Schumann.