This is a cover of Applause performed by Craig Yopp.
This is a cover of The Edge of Glory performed by Tiffany Alvord.
Chris Daughtry finished in fourth place during the fifth season of American Idol.
More amazing guitar playing in this cover of Poker Face by Igor Presnyakov.
Here’s another one of those covers that I hadn’t seen yet, but has a ridiculous number of views (over 50 million).