R. Kelly goes out of the box with his remix to Phoenix’s single “Trying to Be Cool.” The Pied Piper adds some R&B flavor to the alt-rock song, which appears on the French band’s album Bankrupt!

After performing together at Coachella in April, Kellz recorded his remix back in Chicago.

“A lot of people asked us why this happened and the thing I enjoyed the most, I think there’s not enough whys in today’s music world,” Phoenix’s Thomas Mars told BBC Radio 1. “And that’s sort of the ultimate why.”

Hear what happens when their worlds collide.