Acoustic Guitar,B-Flat instrument,Bass Clef Instrument,C Instrument,C Trumpet,Instrumental Solo,Saxophone,Tenor Trombone - Level 4 - Digital Download SKU: A0.1142072 By Joe Colombo. By Joe Colombo. Blues,Contemporary,Instructional,Jazz,Standards. Individual part. 104 pages. Joe Colombo #742445. Published by Joe Colombo (A0.1142072). This collection of jazz contrafact provides the aspiring jazz musician with interesting rhythmic, harmonic, and melodic etudes. The book contains 25 unique jazz etudes written for the intermediate to advanced player with parts in C, B-flat, E-flat, and Bass Clef. Once you feel comfortable playing an etude in your key, play it in the other two keys to further develop your skills. The etudes are based on chord changes of standard tunes that can be performed with a jazz combo.