Question: Which Australian hard rock band was formed by the younger brothers of George Young, producer of the album Early Morning Wake Up Call?
Sentence (from "George Young (rock musician)"): He is best known as a member of the 1960s Australian rock band the Easybeats, and as a co-writer of the international hits "Friday on My Mind" and "Love Is in the Air", the latter recorded by John Paul Young (no relation).
Relevant evidence: No