Posted by Guy in Oregon on April 14, 2001 at 13:30:26:
In Reply to: Sousaphone cut to CC posted by Matt G on April 13, 2001 at 13:08:12:
Who said you had to cut it at all? Just strap a tank of helium to your back and bleed it into the sousie so that the resulting pitch comes out as CC. By a similar procedure, you can change an F or CC to Eb or BBb by using CO2.