A casual way to enjoy classical music in London

It's a world apart from the polished atmosphere of traditional classical music concerts.

Way up near the roof of London's Royal Albert Hall, spectators at the summer-time Proms soak in the music without worrying about the conventions.

"If you're sitting in a seat, you have to sit with your back straight all the time and you can get a bit uncomfortable," says Lisa Beecham, a 38-year-old teacher from London.