"Klarinettenblätter korrigieren" is a textbook in German for all clarinetists and saxophonists. The corrective methods described are valid for all single-reed instruments, such as Bb, alto, bass and contra-bass clarinets, for historical clarinet instruments and basset horns, as well as for all saxophones. How to obtain the optimum tonal beauty and playing comfort will all be shown and clearly explained.