Mabel 's 2021 single "" is a high-energy dance-pop and disco anthem that explores themes of self-confidence, liberation, and unapologetic self-expression. Released as the lead single for her second studio album, About Last Night... , the track reflects a pivotal moment in the British-Swedish singer's career as she moved toward a bolder, more club-oriented sound. 1. Background and Musical Style

: The track was co-written by Mabel alongside prominent pop figures Raye, MNEK, and SG Lewis, the latter of whom also produced the song. 2. Themes and Lyrics

: The song is an uptempo blend of synth-pop and 1980s-style disco. It features a 1990s house rhythm that draws heavily from ballroom culture and icons like RuPaul.

: Lyrically, "Let Them Know" is a "fake it till you make it" anthem. It is dedicated to anyone who has felt suppressed or afraid to unleash their full potential.