Tuning up for a musical jamboree in Vienna. The city that gave the world the elegance of the Blue Danube waltz was reverberating to the sound of rehearsals for the diamond jubilee of the Eurovision Song Contest.

It will be the biggest in the history of the event which divides opinion and can launch music careers – you only have to think Abba.

Fun for some while other contestants are bringing a message to an estimated worldwide audience of 200 million viewers. Hungary contestant Boggie’s theme in her lyrics is anti-war.

“I believe on every stage it is important to sing a song with a message, I believe this is the essence of art, so I am very proud that I can represent my country with a song like this because absolutely this is something that differentiates me from many other singers,” she said.

Elnur Huseynov who is representing Azerbaijan also has a song with a message.

“I have a message in my song and the message is: don’t give up whatever you face in in your life, you shoul