One Direction Cover of the Day

Fadi Saleh, the 19-year-old biochemistry major behind the wildly popular Barack's Dubs YouTube channel, is back with another hit cover. Saleh also gave an interview to Daily Dot this week about his Internet hit-making process. It can take up to three weeks to edit a single video, but it's totally worth it when Justin Bieber sends it out to millions of Twitter followers.

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