911 / Mr. Lonely

"911 / Mr. Lonely" is a song by American rapper Tyler, the Creator. It was released on June 30, 2017 alongside, "Who Dat Boy" through Columbia Records, as the lead singles from his fourth studio album "Flower Boy". The song was produced by Tyler and features guest vocals from Frank Ocean, Steve Lacy, and Anna of the North.
Background.
Tyler, the Creator released a preview of the song at the end of his music video for "Who Dat Boy". Tyler then released the song along with "Who Dat Boy" as double singles on June 30, 2017. The song is an interpolation of "Outstanding" by The Gap Band.