The 50 Etudes by Boris Grigoriev are inspiring and diverse examples of romantic etude writing. Originally written for tuba, they are transposed and adapted for tenor and bass trombone by Randall Hawes, bass trombonist of the Detroit Symphony Orchestra. Mastering the use of alternate positions is a crucial building block to developing excellent slide technique leading to a smooth and beautiful legato sound. The common sense use of the valves-and slurring...