Conversation so far:
What kind of community work did Matthew Boulton do?
Matthew Boulton's friend Dr John Ash had sought to build a hospital in the town. Boulton conceived the idea to hold a music festival to raise funds for the hospital.
Was the music festival held by Matthew Boulton a success?
The music festival conceived by Matthew Boulton took place in September 1768, the first of a series stretching well into the twentieth century.
Are there any other interesting aspects about the Matthew Boulton article?
Matthew Boulton helped found the New Street Theatre in 1774.
What else can you tell me about the New Street Theatre besides its founding by Matthew Boulton in 1774?
Matthew Boulton attempted to have the theatre recognised as a patent theatre with a Royal Patent, entitled to present serious drama.
Was Matthew Boulton able to have the New Street Theatre recognized?
Matthew Boulton failed to have the New Street Theatre recognised as a patent theatre with a Royal Patent in 1779 but succeeded in 1807.
What other community work did Matthew Boulton do besides conceiving a music festival, helping to found the New Street Theatre, and having the New Street Theatre recognised as a patent theatre with a Royal Patent in 1807?
Matthew Boulton supported Birmingham's Oratorio Choral Society.

Question: What did he do to collaborate with Joseph Moore?
Self-contained rewrite: What did Matthew Boulton do to collaborate with Joseph Moore?