The first complete recording of Cantata BWV 78 (Jesu, der du meine Seele) was made in celebration of the Bach Bicentennial in Leipzig in 1950. The recording featured then Thomaskantor Günther Ramin with his pupil, Thomasorganist Karl Richter at the harpsichord.
Hear this historic recording played on the 1946 CAPEHART Radio-Phonograph record changer here.