CLEAN. 2018 release, the third studio album by rapper Travis Scott. The album follows his second studio album Birds in the Trap Sing McKnight (2016), and his collaborative album Huncho Jack, Jack Huncho (2017) with Quavo. The album features guest vocals from Kid Cudi, Frank Ocean, Drake, The Weeknd, James Blake, Swae Lee, Gunna, Nav, 21 Savage, Quavo, Takeoff, Juice Wrld, Sheck Wes and Don Toliver, among others. Production was handled by multiple high-profile producers, including Mike Dean, Allen Ritter, Hit-Boy, WondaGurl, Tay Keith, Tame Impala, Frank Dukes, Sonny Digital and Thundercat. The album includes the singles, "Butterfly Effect" and "Sicko Mode".