What brand and model mouthpiece did benny goodman play?

Benny Goodman primarily played a mouthpiece made by the brand Selmer, specifically the Selmer C* (C star) model. This mouthpiece is well-regarded for its rich tone and versatility, which suited Goodman’s style of Clarinet playing. His choice of mouthpiece contributed to his signature sound, helping him achieve the clarity and expressiveness for which he became famous.