Alongside the Chaconne for violin, the ten Chorale Preludes for organ are Busoni’s best-known piano transcriptions of works by J. S. Bach. Unlike the Chaconne, which Busoni envisaged for concert performance, he transcribed the Chorale Preludes in''chamber-music style''. A great deal of this organ/piano edition can also be played by advanced amateurs. We are publishing Busoni’s definitive version in the first modern Urtext edition with valuable fingering suggestions by Marc-André Hamelin. Andwhat