EIGHT SEPARATE BOOKS, in one big binder, for each of the following players, transposed to their keys: Piano ¬ó Bass ¬ó Drums ¬ó Trombone ¬ó Trumpet ¬ó Alto Sax ¬ó Tenor Sax ¬ó Baritone Sax. DOWNLOADABLE HORN PARTS in other keys, so that the charts can be played by groups with different instrumentation. COMPLETE SCORES for band directors also available for download.AUDIENCE-FRIENDLY! - Even people unfamiliar with jazz get caught up in the happy, positive feeling of these swinging, 'cool jazz' arrangements.DON'T HAVE AN OCTET? - Start one! Perfect for professional-level, colle ge, or good high school groups.