Anthony McGill's Signature Mouthpiece Designed to the exacting specifications of Anthony McGill, principal clarinetist for the New York Philharmonic, the Backun McGill Signature Bb clarinet mouthpiece features a free-blowing design with a medium/long facing and a 1.15mm tip opening. Meticulously crafted from beautifully marbled hard-rod rubber using advanced precision CNC machining, this mouthpiece delivers a rich tone and crisp articulation over a broad dynamic range. Whether you're an advanced high school clarinetist or a working professional, the Backun Anthony McGill Signature Bb clarinet mouthpiece can take your playing and sound to the next level.Backun Musical Services: reinventing the clarinet one piece at a time Founder Morrie Backun started with a small woodwind repair shop outside of Vancouver, Canada. At one point, he was asked to overhaul a clarinet with a missing barrel. So he set out to make a brand-new one using exotic cocobolo wood, thus creating the very first