The Flex-Ability series is ideal for solos, duets, trios, quartets or any size ensemble, including woodwinds, brass, strings, percussion, optional rhythm section and an optional play-along CD. It is meant to be usable by all levels of ability for fun at home, in school or around the community.The Four-Line Score Includes: Line 1: Melody; Level 2 - 3; intermediate range; sixteenth-note combinations; rock/jazz syncopationLine 2: Harmony; Level 2 2; wide range; sixteenth notes; easy syncopationLine 3: Harmony; Level 1; limited range; dotted rhythms; some eighth-quarter-eighth syncopationLine 4 (Bass): Harmony; Level 1; narrow range; simple rhythms (eighth notes); alternate note suggestionsThe CD accompaniment is available separately and includes two tracks for each song: a performance track with the full demonstration recording, and an accompaniment track with only the rhythm section for you to play along with in solos, duets, trios, quartets,