Tubas, euphoniums, baritones and tenor horns - background brass instruments
The following information aims to explain about the various variables of a mouthpiece's shape and how they affect its performance. In addition we've tried to aid selection by giving comparison charts and narrative on which models are the most popular.
Website of the ABA, a major association for band directors and publishers of the Journal of Band Research. Includes information about the association and links including to the research center.