Jazz Ensemble Jazz Ensemble - Level 4 - Digital Download SKU: A0.909202 Composed by John H. Sammis. Arranged by Matt Johnson. Christian,Jazz,Praise & Worship,Sacred. Score and parts. 10 pages. Dolce & Nuit Productions #3559003. Published by Dolce & Nuit Productions (A0.909202). Have fun while presenting this updated jazzy arrangement of the traditional hymn Trust and Obey.