Conversation so far:
What was Gary Barlow's role in musical theater?
In June 2013, Gary Barlow signed up to work on a new musical version of Finding Neverland and co-wrote the score for the theatre project.
Was Gary Barlow's new musical version of Finding Neverland successful?
On its first Broadway preview, Finding Neverland sold and posted a box office performance that, if it continued for a whole week, would have seen the show top $1 million.

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