Michelle Anderson, founder of Clarinet Mentors (www.learnclarinetnow.com), shows you one of the most common mechanical problems with your clarinet. If you ever have trouble playing high B, it may be that your clarinet keys are out of adjustment. This video will show you how to figure that out, and how to correct it. A good repair person will correct this for you, but you can at least test your instrument using this easy technic.