Original: As well as composing prolifically, Dupré prepared study editions of the organ works of Bach, Handel, Mozart, Liszt, Mendelssohn, Schumann, César Franck, and Alexander Glazunov.
Simplified: As well as composing lots of music, Dupré prepared study editions of the organ works of Bach, Handel, Mozart, Liszt, Mendelssohn, Schumann, César Franck, and Alexander Glazunov.