École d'Orgue, basée sur le plain-chant romain (Orgelschule)
From Organ Playing Wiki
This work includes, among others:
Prélude à 5 (Grave) in E-flat major
Prière (Moderato cantabile) in E major
Fanfare (Allegro non troppo) in D major
Cantabile (Allegretto) in B minor
Final (Allegro) in D major