Viral Share: Peter Hollens and Sam Tsui Deliver Cool Katy Perry Cover


When I reviewed Katy Perry’s PRISM, one of my very favorite songs (besides “Roar”) was current number one single, “Dark Horse”, featuring Juicy J.  Definitely laden with swag, Katy Perry’s current single has hip-hop, crossover appeal.  As much as I love the original, there is one cool cover via YouTube by vocalist Peter Hollens, who…