With each new edition a professor is commissioned to supervise the work and he adds something of his own invention.
Delsarte, a singer without a voice, an imperfect musician, a doubtful scholar, guided by an intuition which approached genius, in spite of his numerous faults played an important role in the evolution of French music in the Nineteenth Century.

He was no ordinary man.

The impression he gave to all who knew him was of a visionary, an apostle.

When one heard him speak with his fiery enthusiasm about these works of the past which the world had forgotten, one could but believe that such oblivion was unjust and desire to know these relics of another age.
Without the shadow of a doubt I owed to his leadership the necessary courage to make a profound study of the works of the old school, for they are unattractive at first.

Berlioz berated all this music.