If the joint continues to be in contact with the lips, the vacuum should last at least five seconds. If it does not, there's a leak, and the clarinet will be brought in for alternative of any leaky pads. The test is a similar for the base joint, except a low E could be fingered while using the opposite hand to seal the base. The seal of this joint is less crucial than the head, but it's going to still seal for at the least three seconds. A good test to determine the herbal place of your hand, and as a result reveal where the thumb rest should be, is to hold your right arm by your side. Both the arm and hand might be absolutely comfy. Being cautious not to move the thumb, bring your hand up to playing place. Notice how the thumb rest is way less than the at ease position of the thumb?Try to head the hands in a rapid motion with the thumb in the at ease position. Now bring the thumb right down to the place of the thumb rest and move the fingers abruptly as before. Most players feel that the fingers are more awkward and less free. This can be very true for avid gamers with large hands.