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

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

Hans Keller Online [1] -- Chamber Music, Mozart [1], Part 1 of 2

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

Keller on Furtwängler Part 1

The Keller Instinct (Channel 4, 1986) Part 2/4

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