14 Duets for Trumpet. This unique duet collection of Classical Repertoire offers students and professionals the opportunity to hone their ensemble skills in a variety of ways. The duos can be played by trumpet and trombone, two trumpets, or by two trombones, with either instrument able to play top or bottom parts - the ultimate in ensemble flexibility for study or performance. Edited in details and fleshed out for easy reading; these duets should be a part of every brass players; library.