J.S. Bach - Well-Tempered Clavier: Part 2 - Fugue 12 (Trombone Quartet)
J.S. Bach - Well-Tempered Clavier: Part 2 - Fugue 12 (Trombone Quartet)

This is an arrangement by Richard Byrnes for Alto Trombone, 2 Tenor Trombones, Bass Trombone.