For those who use a thumbhole, the long C key is idle, of course. There the Bb key is in the way of the thumb hole,
unless the key has a rt hand touch. But now a four key flute is, functionally, a five key flute.
For those who use a thumbhole, the long C key is idle, of course. There the Bb key is in the way of the thumb hole,
unless the key has a rt hand touch. But now a four key flute is, functionally, a five key flute.