"911 / Mr. Lonely" is a song by American rapper Tyler, The Creator, it was released on June 30, 2017, as the lead singles from his fourth studio album "Flower Boy", by which American rapper?
911 / Mr. Lonely:  The song was produced by Tyler himself and features vocals from Frank Ocean, The Internet's Steve Lacy and Norwegian singer Anna of the North. Flower Boy: Flower Boy (alternatively titled Scum Fuck Flower Boy) is the fourth studio album by American rapper Tyler, The Creator.
Tyler, The Creator