Original: His works were some of the finest organ pieces to come from France in over a century, and laid the groundwork for the French symphonic organ style. In particular, his Grande PiÃ ce Symphonique, a 25 minute work, paved the way for the organ symphonies of Charles-Marie Widor, Louis Vierne, and Marcel DuprÃ.
Simplified: His organ works, especially the Grande PiÃ ce Symphonique, were some of the best organ pieces to come from France (or anywhere else) in over a century.