Posted by Wanger on October 20, 2003 at 19:06:31:
In Reply to: practice mutes for 6/4 tuba posted by david on October 20, 2003 at 09:25:25:
I think the U.S.P.S. will deliver this practice mute (up to 6/4, but not sousaphone), but you have to assemble it yourself.