Is your opera knowledge second to none?
There are serious opera fans, and then there are serious opera fans. Do you know your Pavarotti from your Pagliacci? Your Tosca from your Toscanini? Your Joan Sutherland from your Joan Hammond?
We've created a series of crosswords which we believe will challenge even the most knowledgeable die-heads among us. And for the slightly less well-informed? We've provided some helpful hints.