Check out James Maslow's cover of Zedd's hot song "Clarity" featuring Foxes. If he looks familiar to you, it's because he's one fourth of Big Time Rush!

Check out the original video from Zedd:

Check out Rotation's hard-rock cover of "Alive" below.

Watch the original video from Krewella:

Check out Savannah Outen and Jake Coco's cover of "Can't Hold Us" below.

Watch the original video from Macklemore and Ryan Lewis

Check out the cover:

Watch the original video from Justin Timberlake:

Check out Justin Breit's cover of "Come And Get It" below.

Check out the original song from Selena Gomez: