A mostly-forgotten song gets used in a prominent movie, TV show, or commercial. Suddenly, it is everywhere. Other shows, movies, and commercials start to use it. A lot. It is back on the radio, maybe even back on the charts. The original album it came from sells like hotcakes. Somewhere, a songwriter makes a lot of unexpected money. Also known as the "Guitar Hero effect" -- via the phenomenon of old songs finding a new audience by their inclusion in the game. Can be helped along by Watch It for the Meme, at least in the case of Rick Astley. Examples of Revival by Commercialization include: