The content in this book covers a wide range of concepts for the euphonium. The book contains comprehensive charts for fingerings and the partial series, to examples that help beginners and artists learn many ways to leverage fingerings to improve technique, musical flow, and intonation. Sections are included for 3-valve, 4-valve non-compensating, and 4-valve compensating euphoniums, and all are presented in both B-flat treble clef and in bass clef.