J.S. Bach Complete Organ Works Vol. 7: Orgelbí_chlein / The 18 great chorale preludes / Appendix: Variants ed. by Heinz Lohmann.Table of contents: 8 grosse Choralbearbeitungen BWV 651-668 Œ´ Orgelbuechlein BWV 599-644 Œ´ Variant BWV 653a Œ´ Variant BWV 653b Œ´ Variant BWV 656a Œ´ Variant BWV 658a Œ´ Variant BWV 664 a/b Œ´ Variant BWV 666a Œ´ Variant BWV 667b.
