What's Your Favorite Song Cover?

So many songs, so many different ways to hear them. Add your own!

When a song gets covered by another artist, it can make listeners hear it in a different way and see it in a whole new light. What song cover had this effect on you?

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Was it a modern classic, like Whitney Houston's "I Will Always Love You"?

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Houston's 1992 R&B version that rocketed to the top of the Billboard Hot 100 was originally written and sung by Dolly Parton, who released the song in 1974 on her country album Jolene.

ShondaLand fans were probably blown away by the Grey's Anatomy cover of "Chasing Cars."

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U.K. band Snow Patrol's 2006 alt rock number was prominently featured in the season two finale of Grey's Anatomy and was later covered by cast members Sara Ramírez, Kevin McKidd, and Chandra Wilson in the polarizing season eight episode "Song Beneath the Song," which featured covers of many songs.

Fans of Glee were treated to several covers on a weekly basis—to varying effect.

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Among its most notable covers were those of Journey's "Don't Stop Believin'," which arguably became the show's signature song, and Katy Perry's "Teenage Dream" (pictured above).

Maybe it was a number from Broadway-bound jukebox musical that piqued your interest.

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Green Day's Grammy-nominated, anti-war ballad "21 Guns" became one of the more prominent numbers in the 2009 musical American Idiot.

So, what's your favorite song cover? Sound off below!