Billie and Finneas talk about their last name, their parents going on tour with them, their dad working with the crew, driving each other crazy, writing music together, an old song of theirs that makes them cringe a little bit, their huge hit “What Was I Made For?” having over 600 million streams already, how they go about writing a song when it’s an assignment from someone else, and they share exclusive footage of their writing session when they came up with the line What Was I Made For?
