I love "Let Me Be Your Star," and it worked really well the way it was done in the pilot. I also agree it'd make a good number for a Marilyn musical.
"20th Century Fox Mambo" is great too, it reminds me of "Rainbow High" from EVITA.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"