Bellyache by Billie Eilish

"bellyache" is a song by American singer Billie Eilish from her debut EP, dont smile at me. The song was released as the EP's second single on February 24, 2017, through Darkroom and Interscope Records. It was written by Eilish and Finneas O'Connell, with production being handled by the latter. A midtempo electropop, R&B, and alternative hip-hop song, it has hip-hop, deep house and Latin macabre influences. Lyrically, the song is written from the perspective of a psychopathic murderer. .