Luke Bryan is busy promoting his new album, Kill the Lights, but he's not just sticking to talking about it on the late-night circuit. He enlisted Jason Derulo for a duet of Derulo's "Want to Want Me" via the karaoke app Smule. Bryan can't quite hit his partner's high notes — at one point, he calls Derulo's range "filthy," in a good way — but at least he has fun with it. They actually sound great together! Listen below.