Instrumental Duet Alto Saxophone,Flute,Instrumental Duet - Level 4 - Digital Download SKU: A0.960435 Composed by Wolfgang Amadeus Mozart. Arranged by Jasmine Brown. Classical,Instructional. Score and parts. 8 pages. Jasmine Brown #6408671. Published by Jasmine Brown (A0.960435). An extract of the third movement (Allegretto) of Wolfgang Amadeus Mozart's Piano Sonata No. 15 in F major, KV 533/494 for flute and alto saxophone duo.