On "Voyager, " Vayenas takes a valve trombone solo that departs the Delta Quadrant, while drummer Kendrick Scott propels the ship through space.

NPR: Trombonist Nick Vayenas: A Bout Of 'Synesthesia'

Mozart used trombones for this purpose in his operas The Magic Flute and Don Giovanni, and he included a prominent trombone solo in his Requiem.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra

There are relatively few solo compositions for trombone, and the trombone is rarely featured in chamber music, although the French composer Francis Poulenc wrote an excellent trio for trombone, trumpet, and horn (1922).

NPR: Young Tuba Player Gets Nod from Phila. Orchestra