The MPC Tuba Standard /Deep Helleberg is a world-famous tuba mouthpiece that is highly regarded for its exceptional quality and performance. Named after the principal tubist of the Sousa Band, this mouthpiece is the most popular choice among tuba players. It is made of silver and features a deep organ-like tone that produces excellent volume. The mouthpiece comes with a convenient pouch and a brush for easy maintenance. Whether you're a professional musician or a student, the MPC Tuba Standard /Deep Helleberg is a must-have accessory for any tuba player.