Two Oxford chapel organs at the opposite end of the tonal spectrum: the 1969 Grant, Degens and Bradbeer at New College and the 1937 Harrison at Somerville, which is currently being restored:
http://www.youtube.com/watch?v=ZdIf40E1s9o
http://www.youtube.com/watch?v=H9rN-4f33ec
http://www.youtube.com/watch?v=ZdIf40E1s9o
http://www.youtube.com/watch?v=H9rN-4f33ec