The Trombone Studio Companion

by John Gruber paperback A new resource for aspiring professional trombone players.  Part of a series of instructional books titled “STUDIO SERIES”. Coming Soon. Corporate Tax Exempt & Purchase Orders  For international orders visit:   United Kingdom      European Union      Canada      Australia We are currently looking for distributors in the  South America,  Israel,  and  Japan. If you have a suggestion, please contact me directly at [email protected]