Conversation so far:
What was Barlow's role in musical theatre?
On 25 June 2013, it was announced that Barlow had been signed up to work on a new musical version of Finding Neverland and will co-write the score.
Was this successful?
the show sold out the theatre and posted a box office performance that, if it continued for a whole week of performances, would have seen the show top $1 million.

Question: What else is significant about his time with musical theater?
Self-contained rewrite: Besides Finding Neverland, what else is significant about Gary Barlow's time with musical theater?