Trumpet Harmonics, A Systematic Approach to Greater Flexibility By David Bertie BR_VIN_CED the foremost expert on the

the foremost expert on the design and manufacturing of vintage mouthpieces

The design was developed in close cooperation with some of the most influential and renowned artists in the world

less brilliant sound than the mute alone

It provides the player with efficiency and responsiveness

the sound of a straight mute is unmistakable

Trumpet Harmonics, A Systematic Approach to Greater Flexibility By David Bertie BR_VIN_CED the foremost expert on theDavid Berties Trumpet Harmonics is a remarkably focused study of flexibility as applied to brass playing. His concise yet comprehensive exploration is unique in several ways.