Alan Walker -lost control (lyrics) 💤🎧

It seems like you're referring to Allen Walker from the anime/manga series "D.Gray-man." When Allen loses control, it typically involves his Innocence weapon, which is a manifestation of his inner power. In such instances, his Innocence might go berserk, causing destructive chaos around him. This loss of control often stems from intense emotions or external factors overwhelming him. It's a pivotal moment in the series, showcasing the struggle between Allen's humanity and the power he wields as an Exorcist.