Billie Eilish has been rising to the top of the charts recently, known for songs such as "Ocean Eyes" and "Bad Guy." Her songs, streamed more than a billion times, are produced and co-written by her brother Finneas O'Connell. He's a musician himself. He and his sister are on their “When We All Fall Asleep” tour now, and they will be in LA at the Greek Theatre on July 11.