You are getting a good sound. I like your experimentation with different materials as well. I think it is a combination of both the fingering--which can be fairly minimal, just on-off with the finger-- and tightening of the arperture (the tightening of your lower lip)
David,thank you for the details,the insights,.will try to make,and try to play one!
You are getting a good sound. I like your experimentation with different materials as well. I think it is a combination of both the fingering--which can be fairly minimal, just on-off with the finger-- and tightening of the arperture (the tightening of your lower lip)