Question: When they introduce Dylan (where she smokes and has a cast... and looks almost like a man) in the "Once Upon a Time" starting segment, there is a part of a song that goes "I love rock and roll". A recent version is sung by Britney Spears, but who sings that version in the movie?
Answer: It's the original version of *I Love Rock N' Roll*, by Joan Jett and The Blackhearts.
Answer: The original version was by The Arrows. Joan Jett's version was a cover. But yes, that's Joan's version.