Clarke Studies Revisited - The Famous Technical Studies Reorganized by Key The Herbert L. Clarke Technical Studies for the Cornet has served many generations of trumpet players as the seminal book for the improvement of technical facility on the instrument. In an effort to introduce these great studies to less experienced trumpetists, Larry Clark has reorganized the studies in a key-centered approach to let developing players get comfortable with the studies in the easier keys first before moving on to more challenging ones. All of the studies are organized by key starting with the key of C major/A minor and moving on to one flat, one sharp, two flats, two sharps, etc., with the exception of the tenth study that focusses on grace notes. The eight etudes have been placed near the back of the book.