For improvement of technical facility, endurance, range, flexibility, sound and expression; for jazz and classical and commercial players.
"Bart van Lier's new studies on embouchure maintenance are the most important contribution to the art of brass playing since the teachings of Carmine Caruso. Congratulations Bart!"
"The ultimate book for solving the ever-present problems facing every trombonist; of coordination of embouchure, breath and slide movement. A must for every serious student of the trombone!"
"In all my years of playing and teaching I have rarely seen such excellent material so clearly conceived and accurately presented. Bravo Bart!"