The only reason to write is from love.
When I was growing up, there was no such thing as Off-Broadway. You either got your show on or you didn't.
A close-up on screen can say all a song can.
The more restrictions you have, the easier anything is to write.
Deciding what is to be sung and what is not to be sung is really what writing a musical is about.
Take a play that you like but you think is flawed, and see if you can improve it and turn it into a musical. [...] Then make up your own story.