Viola Solo - Level 3 - Digital Download SKU: A0.1222945 Composed by Daniel Erdmann. Classical,Contemporary. Individual part. 1 pages. Daniel Baird Erdmann Music #819137. Published by Daniel Baird Erdmann Music (A0.1222945). Solo Viola - medium difficultySong for a Friend.  Composed by Daniel Erdmann (1986-).  1 page.  Duration 2-1/2 minutes.Digital Download 8.5x11 inches.  Key: G Major.  Song for Friend is a heartfelt and personal piece written for solo viola.  It is accessible to a wide range of abilities, but it is moderately challenging due to the double stops and high range.