Conversation so far:
Who joined the group The Incredible String Band?
In late 1963, the duo decided to fill out their sound by adding a third member. After an audition, local rock musician Mike Heron won the slot.
What songs did The Incredible String Band produce?
“Maybe Someday, October Song, When the Music Starts to Play, and more

Question: Where did they play?
Self-contained rewrite: Where did The Incredible String Band play?