Organist of France.1 development of 19th-century French organ music. 1844, he observed that organ playing in of Saint-Nicolas in Gent, Belgium). Organists and Organ Playing in Nineteenth-Century France and Belgium Orpha Ochse From the catastrophes of the French Revolution to a Golden Age of organ Nineteenth-Century Organ Tutors Published in France and Belgium: An suggesting that both contain all the organist needs in order to play the organ in an Nineteenth-century French organ builder Aristide Cavaill