1. BWV 639: Ich ruf zu dir Herr:
2. BWV 659: Nun komm der Heiden Heiland
Originally for Organ; based on piano arragement by Ferruccio Busoni (1866 – 1924)

Bach Chorale Prelude BWV 639 original manuscript
Titel page Das Orgelbüchlein
Originally for Organ; based on piano arragement by Ferruccio Busoni (1866 – 1924)
Bach Chorale Prelude BWV 639 original manuscript
Titel page Das Orgelbüchlein