Casablanca alludes.

Find any short text (e.g, a song, poem, play, cartoon, short story, film, etc.), except a critique, that alludes to Casablanca(film); OR a text to which Casablanca alludes. How is the allusion used and why is it important? Make sure you describe the relationship between the text you have chosen and Casablanca. Though not compulsory,
feel free to support your points with external sources.