The Music Quiz: What is Billie Eilish’s complete birth name?

Plus: Which Irish singer shares vocals with Robert Plant on Come Into My Life?

A Billie Eilish mural on Dublin’s Chancery Street in August 2021. Photograph: Gareth Chaney/Collins
A Billie Eilish mural on Dublin’s Chancery Street in August 2021. Photograph: Gareth Chaney/Collins