Written for second-year players (Grade 1.5), the Discovery Jazz Series is scored for 5 saxes and 6 brass, with fully-noted rhythm section parts and sample solos. The charts are playable with 3 saxes, 2 trumpets, 1 trombone, piano, and drums. The 1st trumpet is written up to an E, and there are optional parts included for flute, clarinet, F horn, and tuba.