Posted by Art H on October 24, 2001 at 22:36:01:
In Reply to: Nirschel BBb 5th valve 6/4 I have ?'s! posted by John S on October 24, 2001 at 12:52:12:
Since you asked:
For more info about 5-valve fingering systems than you really want to see, take a look at the Tuba-Logic website.