Unknown Memory is the debut studio album by Swedish rapper Yung Lean following his critically acclaimed mixtape Unknown Death 2002 and his Lavender EP, released on September 23, 2014 The album garnered generally favorable reviews, with many critics honoring its production and being a more serious piece of work than listeners give it credit for. The album which showcased how much Lean has grown up. With a feature from Travi$ Scott on “Ghosttown”, Yung Lean had for the first time a cosign from one of rap’s bigger stars.