German Hans Keller 'INTERVIEWS' the original line of PINK FLOYD - with SYD BARRET\

1967: Are PINK FLOYD too LOUD? | The Look Of The Week | Classic BBC Music | BBC Archive

Keller on Furtwängler Part 1

'Hans Keller's Legacy' Panel Discussion - Cambridge Faculty of Music

The Keller Instinct (Channel 4, 1986) Part 3/4

The Keller Instinct (Channel 4, 1986) Part 1/4

Leopold Stokowski at 90 - Hans Keller tribute ('Music Magazine' 1972)