The trailer is out for "Unsung Hero". Following a family's journey from Australia to the US which sees Rebecca St James take the stage, family along for the ride closely followed by brothers Luke and Joel who would go on the form For King and Country. The trailer is out for "Unsung Hero". Following a family's journey from Australia to the US which sees Rebecca St James take the stage, family along for the ride closely followed by brothers Luke and Joel who would go on the form For King and Country.