Listen to Fall Out Boy on iHeartRadio: http://bit.ly/1SnVf0J
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Check out Fall Out Boy, a performer at this years Music Festival, as they try figure out their songs using emojis in this exclusive iHeartRadio challenge.
How many did you guess right?
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Listen to Fall Out Boy on iHeartRadio: http://www.iheart.com/artist/fall-out-boy-39304/