Charlie Hull wrote: > ... On his solo choruses [Buddy Apfel] > would trade fours with himself, switching > between [tuba & bass].... In the Zinfandel Stompers, our reed player, Eric Siverson, often trades fours with himself on Bass Sax & Soprano Sax. Jim O'Briant Gilroy, CA Tuba & Leader, The Zinfandel Stompers