This video was sent to me by one of our wonderful readers and I had to share it with you because of the segment on circular breathing (4:30). There may come a time in a performance when the phrase is longer than your air supply and having the ability to circular breath will get you through this situation. I have used this technique several times when doing long, slow brass choir numbers as well as some jazz situations. Even though it is a trick, it can be very useful. The first time I saw this technique used in a live…