Original tekst: Foundations For Superior Performance, Euphonium BC. Euphonium sheet music. Band. For euphonium BC. Program. technic book. Book A,1.
Oversættelse: Fonde for overlegen ydelse, Euphonium BC. Euphonium noder. Technic bog. Bog A, 1. Metode bog. Udgivet af Neil A. Kjos Music Company.