His mother was a socialite with a keen interest in horse racing .
His father was a musician , Director of the North Sydney Academy of Music before moving to Adelaide where he became the owner of a piano importing business in Grenfell Street .
father 's mother was a socialite with a keen interest in horse racing .
His father was a musician , Director of the North Sydney Academy of Music before moving to Adelaide where he became the owner of a piano importing business in Grenfell Street .