Musical Instrument Accessories

B.E.R.P. Embouchure Builder Trombone GS B.E.R.P. Embouchure Builder Trombone GS, Embouchure Trainer For Trombone And Euphonium@+The "BERP" facilitates the application of theory. It is used for the "Buzzing" and serves the development of support and to warm up or to loosen up before... B.E.R.P. Embouchure Builder Trombone GS