Burnley: "It's very cool-both structurally and melodically. It's subtle, but listen closely and you'll hear the song move up a half-step every verse and chorus. As a vocalist, that's really challenging because it forces me to sing in a different key every time. It's definitely unusual, and had it not been for Billy, I probably never would've tried something like that."
Sarah - Quito, South America, for all above