The FlexScore CONCERT COLLECTION fits your group in performance, whatever your instrumentation may be. Assign your players to any of the three flexible parts in order to get the best sound from your unique instrumentation. The optional piano part can be used to strengthen the sound of small groups, and includes chord symbols if you wish to accompany with guitar. Available books: C INSTRUMENTS (flute, oboe, mallets); Bb CLARINET/Bb BASS CLARINET; Eb INSTRUMENTS (Alto Sax, Baritone Sax, Alto Clarinet, Eb Bass); Bb SOPRANO SAX/Bb TENOR SAX; Bb TRUMPET/BARITONE TC; F HORN; BASS CLEF INSTRUMENTS (Trombone, Baritone, Bassoon, Elec. Bass, Cello, Double Bass); TUBA; PERCUSSION; VIOLIN; VIOLA; PIANO.