Jazz Combo - Level 2 - Digital Download SKU: A0.1033236 Composed by Joseph E. Gates. Arranged by Joseph E. Gates. Blues,Jazz. Score and parts. 6 pages. Jegmusic #6212805. Published by jegmusic (A0.1033236). C Blues is ideal for musicians who are looking to play in a Small Jazz or Blues Ensemble. It covers a jazz progression in the key of C minor. The piano solo has elements of an improvised blues scale.. Instruments include Trumpet, Tenor Sax, Piano/Keyboard, Bass and Drums. This composition is appropriate for music students as well as working musicians. It offers the opportunity to improvise in a creative way, thereby putting your own interpretation on the piece. .