Parts correspond to standard vocal music for mixed voices (SATB format):
Part 1 soprano, Part 2 alto, Part 3 tenor and Part 4 bass.
The optional 5th part is intended for euphonium or instruments of same pitch and range. Each part is written for Bb and Eb treble clef instruments plus optional percussion.
Bass clef 3rd and 4th parts are also available
Brass Music for Young Bands can be purchased from US Trade