Version for treble clef euphonium. The Brass Gym: A Comprehensive Daily Routine for Brass Players by Patrick Sheridan and Sam Pilafian. The Brass Gym includes a 108 page book and 78 minute play-along CD featuring the two authors. This books is used by many professionals as a daily workout routine. It will guide you as a player into utilizing all of your body's potential as a music making force. This book is truly remarkable! Please note: THIS BOOK IS FOR EUPHONIUM IN TREBLE CLEF.