I loved most of the music from "Titanic," especially a couple of the waltzes, and found the mosaic/quilt attempt at telling a story through snippets of people's stories, rather than character development, works better in a Robert Altman movie than on stage. I found the staging cheap and the sinking of the ship laughable, but it falls on the plus side for me because of the music.
I saw a preview of "Side Show" the same day. Talk about your power ballads. Yet I loved the score of that one, too, and I'm not a power ballad fan.