Grades 6-7. Par BACH JOHANN SEBASTIAN. This 5-volume graded series of organ music by J. S. Bach includes all the essential pieces and many lesser known works. Each volume contains advice on registration, ornamentation, articulation, fingering and pedalling, etc., and background notes on each piece. The whole is an authoritative and practical introduction for all players. / Niveau : Très Avancé / Répertoire / Orgue