Jazz Ensemble Jazz Ensemble - Level 4 - Digital Download SKU: A0.827130 Arranged by Bob Marshall. Christmas,Jazz. Score and parts. 28 pages. Bob Marshall #539993. Published by Bob Marshall (A0.827130). Laid-back swing in the style of the Count Basie Orchestra. Mezzo-piano ensemble playing grooves through the tune followed by unison trombones on melody and unison bluesy saxes underneath. Open solo section gives your players a chance to express themselves. Lead trumpet gets to a couple of short concert Bb hits and the 1st Trombone up to a F.