There are still a few best of music lists curated by humans among all of the data driven charts. The iTunes annual lists, while not the most adventuresome, are certainly among the most influential, if just because of their reach. The iTunes 2014 editorial team picks: Best Songs 1. "Happy," Pharrell 2. "All of Me," John Legend 3. "Dark Horse," Katy Perry 4. "Talk Dirty," Jason Derulo 5. "Fancy," Iggy Azalea 6. "Problem," Ariana Grande 7. "All About That Bass," Meghan Trainor 8. "Let It Go," Idina Menzel 9. "Turn Down for What," DJ Snake & Lil Jon 10. "Rude,"...

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