Samuel Barber's "Adagio for Strings" and other overused movie music

I was watching El Norte (1983; very good) yesterday and a little fragment of Adagio started playing. I was thinking that had I never heard it before it would've been very powerful. Same with its use in Platoon or Elephant Man. It made me curious to see other movies/shows it's been used in:

quote:

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Adagio for Strings can be heard on many film, TV, and video game soundtracks, including Oliver Stone's Oscar-winning film Platoon, David Lynch's 1980 Oscar-nominated film The Elephant Man, Michael Moore's documentary Sicko, Swimming Upstream, Lorenzo's Oil, A Very Natural Thing, Reconstruction, and Jean-Pierre Jeunet's Oscar-nominated 2001 film Amélie. It has been heard in episodes of The Simpsons, Big Brother 2010 (UK), That Mitchell and Webb Look, The Boondocks, South Park, How I Met Your Mother, Seinfeld, ER (TV series), Red Dwarf, Big Love, and Mystery Science Theater 3000. A recorded performance by the London Symphony Orchestra was, for a time, the highest selling classical piece on iTunes. A choral version — Agnus Dei — can be heard in the soundtrack to the PC video game Homeworld (released in 1999, awarded with the Game of the Year accolade from the PC Gamer magazine). The work is extremely popular in the electronic dance music genre, notably in trance. Artists who have covered it include Armin van Buuren, William Orbit, Ferry Corsten, and Tiesto. eRa included this song in their new album Classics. Adagio is the final song on the final collaborative Peter, Paul and Mary album "Peter Paul and Mary, With Symphony Orchestra". Mary Travers had requested that Adagio be played at her memorial service.

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It's sorta sad, the way its impact has been snubbed out by repetition, parody, and kitsch (the trance variations).

Any other examples of music whose impact is basically ineffective or weakened?