We have covered the lip, mouthpiece placement, lip tension, aperture size and control, and now it is time to talk about the direction of the air stream. The air begins in the lungs and is forced between the lips which creates vibrations and in turn produces the sound which emanates from the trumpets bell. The direction of the air on this path will affect the tone as well as the decibel and timbre which we are concerned with today. The most efficient path for your air stream would be in a straight line but because of the way we are…