The OrgelbŸchlein Christmas Chorals BWV 606 & 607 (Vom Himmel hoch, da komm ich her / From Heaven on high I come here & Vom Himmel kam der Engel Schar / From Heaven came the host of angels) for Bb Trumpet, Viola, Cello and Bassoon (nota bene : the Bassoon part can be played by a second Cello). See a preview at : www.maurice-andre.fr/BWV606_607_Trumpet.pdf