The picture on the left is a sketch by Jane Thorp of the Marcussen organ in Putney Parish Church where I was organist for many years.
Dupré - Prelude & Fugue in G minor (public performance 1989)
It is pictured below -
The links to the right will take you to a YouTube page -
Franck - Chorale 3 in A minor
Bach - Passacaglia in C minor