Last autumn I made a programme about the history of the Strauss family and of the waltz, which involved a trip to the beautiful city of Vienna.

Whichever route they choose as long as they're doing it seriously and looking after their voices and training then they'll be fine.

Seeing that made me understand how profound the drama of opera was and how music theatre is the most powerful audiovisual form there is.

You've got to very much be part of today's society and you've got to use 21st Century techniques to draw attention to what you believe in.