Jazz Combo Pack – excellent serie of sets of four songs for small jazz ensembles. All the songs are arranged with a space for your improvisation, this part of the song is always filled with chord marks and help notes (grades where the improvisation should take a place) to simplify your improvisation. Every set contains concerted parts for all the instruments - 2x piano/conductor, 1x Bb instrument (triphvocal), 1x Eb Instrument (triphvocal), 1x C Instrument (triphvocal – sometimes it is 2+3 or only 3 part is written in bass clef for trombone), 1x guitar, 1x bass, 1x drums. Outstanding and very variable book.