I sw them too around the time of that one - a performance which was televised by the BBC. Fantastic memories and culminating with the whole band doing a circuit through the audience.
Looks like some more Blue Note vinyl reissues forthcomimg. Looking forward to these..https://londonjazzcollector.wordpress.com/2017/04/01/blue-note-reissue-specialist-announces-new-product-range/#comment-50316
I think of the current run the German Impulse reissue series is hard to beat. Excellent sound, good pricing and interesting selection of sessions, with effectively 2LPs on one CD. A good way to get acquainted with the more obscure stuff on Impulse.