The document summarizes four movie trailers: 500 Days of Summer uses repetition of its title and music to make the movie memorable without revealing much of the plot. The Proposal shows short captions and comedy clips to set an office scene and reveal some story elements in an upbeat way. Notorious establishes the celebrity aspect through still images and fast-paced action clips set to dark music. Salt uses dramatic music that builds with fast-paced action shots and dissolves to showcase the protagonist Angelina Jolie playing a typical male role.