Max Martin is the mastermind behind some of pop's greatest hits. Here are songs you may not know he wrote.

Fuente: Business Insider

Max Martin. Michael Tran/FilmMagic/Getty ImagesMax Martin, a Swedish producer and songwriter, is the mastermind behind numerous mega-hit pop songs. He's won five Grammys for songs including "Since U Been Gone" and "Can't Stop The Feeling.