Conversation so far:
Where did Nick Cave grow up
As a child, Nick Cave lived in Warracknabeal and then Wangaratta in rural Victoria.
Tell me about Nick Cave's youth
When Ncik Cave was 9 he joined the choir of Wangaratta's Holy Trinity Cathedral. At 13 he was expelled from Wangaratta High School.

Question: Did he have brothers or sisters
Self-contained rewrite: Did Nick Cave have brothers or sisters