Drake Brass Resonance Chamber NY Jazz Alto Saxophone MouthpieceThis manufacturing innovation by Drake Mouthpieces creates a new dimension in tone for the Saxophonist. The Internal Exposed Brass Chamber offers a broader range of overtones than a completely brass mouthpiece or a traditional HR mouthpiece. There is a new richness in the tone that is created by combining the different densities of these materials A new dimension in expressive potential to be explored. The Brass Chamber adds approximately 31% to the