J.S. Bach - Well-Tempered Clavier: Part 2 - Prelude 22 (Brass Quartet) 

This is an arrangement by Richard Byrnes for 2 Trumpets, Trombone, and Tuba.
You can purchase this piece at sheetmusicplus.com & sheetmusicdirect.com
In addition to many works by J.S. Bach, we offer works by Brahms, Debussy, Dvorák, Fauré, Glazounov, Glinka, Gottschalk, Granados, Griffes, Lotti, Mendelssohn, Mozart, Ravel, Richard Strauss, Turina, & Vierne.