With the completion of the New Bach Edition where all sources have now been exhaustively researched, Brenreiter presents the definitive edition of Bachs organ works in a set of 11 volumes. BA 5279 includes the volumes already published in separate Brenreiter editions BA 5171-5178, the famous Neumeister Chorales BA 5181 and now, in addition, the two recently published editions BA 5243 (Freely Composed Organ Works and Chorale Partitas from Miscellaneous Sources) and BA 5251 (Organ Chorales from Miscellaneous Sources).