Chamber Orchestra - Level 2 - Digital Download SKU: A0.1004510 Composed by Alan Silvestri. Arranged by M Sondered. Contemporary. Score and parts. 18 pages. Mikael Sondered #6570193. Published by Mikael Sondered (A0.1004510). Forrest Gump Main Theme for flute, clarinet, alto saxophone, trumpet, trombone and piano.