To listen to the audio clips, you will need RealPlayer on your computer. It's available as a free download at www.real.com

For Mac users, there is a free Mac version at www.real.com/mac/realplayer

Streaming audio clips of 2009 tenor trombone etudes:

Voxman page 26

Voxman page 47

Streaming audio clips of 2009 bass trombone etudes:

Grigoriev #2

Grigoriev #19

PDF comment files:

General Practice Tips/Scales