If your friend is extremely new to the genre, maybe you should start off with Chicago. They can be brought in by the accessible movie, and then when you give her a CD, give her Chita or Bebe, and I think it wil be welcoming in terms of associating the style of music with visuals, even though the movie is, of course, very differnt than what you would see onstage.
A man is getting along on the road to wisdom when he begins to realize that his opinion is just an opinion.