Hm. I love All Shook Up, it's such a fun show and I loved the Broadway production so much.
I'd say pick a song from the 50's or early 60's with the theme of going for your dreams or seeking dreams.
Not sure if that helped, but thats her arc, she is chasing her dreams.
"Anybody that goes to the theater, I think we’re all misfits, so we ended up on stage or in the audience.” --- Patti LuPone.