If the lips are slanted into the mouthpiece by pouting, the vi- bration, if it does not stop completely, will be of The Angle at Which the Lips are Held inferior quality. But the tuba wise, enough discrepancy to produce very unsatis- player might succeed even with his mouthpiece a factory playing results. So we find this con- go higher in range, the tension of the contracting traction of the mouth muscles essential for at least muscles mounts, but so evenly between cheeks and two reasons: endurance and good vibration. Only tongue which forms or molds this plastic material the lips can influence the pitch. Then try to put the chin over to one side by tightening the muscles on that side while relaxing those on the other.
nest...