A1 Party Favor
Written-By – Billie Eilish O'Connell*
Written-By, Producer, Engineer, Mixed By – Finneas Baird O'Connell*
B1 Hotline Bling
Producer, Engineer, Mixed By, Piano, Guitar, Synth, Accordion, Percussion, Effects, Bass – Finneas Baird O'Connell*
Ukulele, Vocals – Billie Eilish O'Connell*
Written-By – Aubrey Graham, Paul Jefferies, Timmy Thomas