Which song will become the biggest hit? (You can listen to all of them on Spotify, here: http://open.spotify.com/user/dasooperyooper/playlist/2gBAXaZjYyOyAl6lfnqJRQ)
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Ariana Grande - "Problem"
Lorde - "Tennis Court"
Shakira - "Empire"
Katy Tiz - "The Big Bang"
Phillip Phillips - "Raging Fire"