Your mellophone will sound great with a Yamaha Standard Series Mellophone Mouthpiece.
Yamaha's Standard Series mouthpieces are produced with the most advanced computer design and manufacturing technology. These quality brass mouthpieces are crafted for unmatched precision, smooth attack, secure control, and easy playability. They have an ideal weight for all-around use and are available in a variety of configurations to suit every player.
Specifications
Compares to Benge Mello 6