A Helmut Walcha Page (to be completed within February 15th, 2012)

Helmut Walcha plays and sings the violin part (rehearsal during the Philips complete Bach Violin Sonatas recording, with Henrik Szeryng, Paris, 1968)
 

An interesting letter by Helmut Walcha about un unknown recorded improvisation he made in 1927 (mp3 available) - thank to Gavin Black