These images appear here by kind permission of photographer Robert Ellis, more of whose excellent rock photos may be seen here
The crowd makes its way towards the stage
A 23 year-old Gary Brooker at the piano
Brooker, Knights, Wilson, Trower and Fisher
The Commander (as he then wasn't) singing
Robin Trower ... a study in concentration
An interesting expression on the Brooker face
A crowd gathers round the Hammond-player!