Conversation so far:
How did King Crimson work with improvisations ?
After their first US tour, King Crimson was in a state of flux with various line-up changes, thwarted tour plans, and difficulties in finding a satisfactory musical direction.
Which cities did they tour ?
CANNOTANSWER.

Question: How did they improvise together ?
Self-contained rewrite: How did King Crimson improvise together?