Oorspronkelijk: Who Knows. ATB Saxophones, 2 Trumpets, 1 Trombone, & Rhythm. John Mills. B-Flat Trumpet sheet music. Trombone sheet music. Who Knows.
Vertaling: ATB saxofoons, 2 trompetten, 1 trombone,. B-Vlakke trompet bladmuziek. Trombone bladmuziek. Tussenliggend. composed by John Mills.