Rejano Alto trombone practice muteRejano Mutes was born and designed by the designer and owner David Rejano, Principal Trombone of the Los Angeles Philharmonic Orchestra, with the need to solve the problems in the already existing Trombone practice mutes in the market, such a heavy weight, unstable pitch, excessive resistance or a not quiet enough sound. Our motivation is bringing to Trombone players all over the world, through our innovative 3D printed designs, a unique experience