Redwine Bb Clarinet Mouthpiece A Frame The Redwine Bb clarinet mouthpiece enjoys the same performance traits as the Gennusa Excellente only on a Zinner blank Ben Redwine, who studied mouthpiece crafting from Iggy Gennusa himself, has produced a clarinet mouthpiece with great ring and flexibility The Redwine Bb clarinet mouthpiece enjoys the same performance traits as the Gennusa Excellente only on a Zinner blank Ben Redwine, who studied mouthpiece crafting from Iggy Gennusa himself, has produced a clarinet mouthpiece with great ring and flexibility