Artist: Billie Eilish - Producer: Finneas O'Connell - Mixer: Rob Kinelski - Vocals: Billie Eilish - Background Vocalist: Finneas O'Connell - Bass (Vocal): Finneas O'Connell - Percussion: Finneas O'Connell - Piano: Finneas O'Connell - Mastering Engineer: John Greenham - Assistant Mixer: Casey Cuayo