Billie Eilish has released her song for the Barbie movie soundtrack – a soft, piano-led ballad called ‘What Was I Made For?’. Check it out below.The track was written by Eilish and her brother and collaborator Finneas especially for the soundtrack of Greta Gerwig’s new movie. Finneas also produced the song at his home studio in LA.In the lyrics, the star candidly shares feelings of losing her purpose and not being able to enjoy life.