London, UK. 28. February 1970 Recording by the BBC. Excellent sound quality. Mandrake Root : Oh-boy records : Oh-boy 1-9048 : Luxembourg : 1990 : 1CD Tracks : Speed King Mandrake Root Wring That Neck Child In Time All these tracks are out officially as BBC In Concert 1970. The cover claims the recording to be from 1973.
