Conversation so far:
What is Stark Naked?
CANNOTANSWER.
Can you tell me the significance of the Car Thieves?
Darryl Way and Sonja Kristina remained interested in working together, and so Way brought in two more "Car Thieves", guitarist Mick Jacques and drummer Stewart Copeland.
Are there any other interesting aspects about this article?
The band kicked off with a European tour, which started poorly.
How did the tour start poorly?
Way, a notorious perfectionist, grew impatient with the struggling of his bandmates, especially novice drummer Copeland.
What did he do when he got impatient?
CANNOTANSWER.
Did they have any other issues?
Phil Kohn left and the band, unable to replace him in time for the sessions for Midnight Wire.

Question: What did they do when they were unable to replace him?
Self-contained rewrite: What did Curved Air do when they were unable to replace Phil Kohn?