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It seems as if a cappella groups are springing up left and right recently. Covers of songs performed by groups using only their voices to recreate them, are gaining popularity quickly. With groups like Pentatonix, who have covered Swedish House Mafia, to movies like Pitch Perfect, which at one point features David Guetta's "Titanium," this type of music and performance is becoming quite popular. 

Just recently, a group called No Comment A Cappella covered another dance track that is currently blowing up - Zedd's "Clarity." The group did an arrangement of Zedd's track at their quarter final competition. It's mind-blowing to see how only their voices can recreate the song. What does Zedd think? See for yourself:

Watch below: