To me, the musical is best when it's a musical comedy. So if you have a very, very funny show, and very good, funny songs, that's what the musical does best.
When you look at art made by other people, you see what you need to see in it.
After this, I took private lessons in Italian from an elementary school teacher. He gave me themes to write about, and some of them turned out so well that he told me to publish them in a newspaper.