Friday Mixtape! The Best Songs of 2013

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Forget playing this mixtape while you're working; the awesome songs that make up the Source's 50 best of 2013 require a little more attention. Yeah, they're that good.

From the anthem rock song "Miracle Mile" by Cold War Kids to stark R&B from London Grammar, this list has it all.

And as we've been doing, sharing it can earn you some free music of your own. Simply RE-TWEET any post about music from the Source's feed and you'll be entered to win a pack of some great albums.