Conversation so far:
What is the name of one of Chris Barber songs?
In 1959 Barber Band's version of Sidney Bechet's Petite Fleur spent twenty-four weeks in the UK Singles Charts, making it to No. 3 and selling over one million copies.

Question: Who did Chris Barber collaborate with?
Self-contained rewrite: Who did Chris Barber collaborate with on his version of Sidney Bechet's Petite Fleur?