No, this is not a joke for if you have ever had it happen to you, you will agree that it is a possibility. The high range exercises which I and several of my friends are practicing at this time may find us in a possible situation which should be addressed at this time. Most often the dizziness and possible blackout comes shortly after releasing a sustained high note and is seldom present when performing in the middle and low range of the instrument. Some players are more susceptible to this condition than others. Also, those performing in the upper…