Playable by just about any combination of four instruments, the 12 titles progress in grade level easy ti intermediate. Virtually any combination of brass, woodwinds, percussion, and strings can play together in harmony. Includes Summertime; Louie-Louie;Somewhere Out There; I Want It That Wayl; Celebration; Hawaii Five-O; Barbara Ann; It Don't Mean A Thing If It Ain't Got That Swing; James Bond Theme; Smooth; Gonna Fly Now (Rocky Theme); Peter Gunn. There is no duplication of titles in the Duets, Trios,or Quartets series.