Opera by Disguise big gain for grain growers! News, Opera By Disguise 2nd October, 2012 Once again Opera by Disguise proved why it’s the premier surprise Opera act in Australasia! The Grain Growers Association members were totally enthralled, enraptured and taken by total surprise as our Opera by Disguise unfolded. Share: Older Post Footy fever notched up to the MAX! Newer Post Opera by Disguise right at home!