This is a popular t-shirt. The concept is simple and doesn’t really need to be explained. Combining James Cameron’s iconic with one of classical musics leading men. Only after seeing this did I try to come up with popular movie ‘back’ puns.
Bach to the Future
Never Bach Down
Star Wars Ep. IV: The Empire Strikes Bach
The Hobbit: There and Bach Again
Bachstreet Boys
Some one make shirts for all these. And someone come up with more. Let me hear the puns in the comments!