Sometimes you get the perfect mix of ingredients: a merry crew, enthusiastic passengers, a good vibe and talent on board. Since the early days, quite a few musicians and other artists have treated KLM passengers to a spontaneous performance on board. So let’s have a look at (and listen to!) some of those performances at 30,000 feet!

http://blog.klm.com/hitting-the-airwaves-8-perfomances-at-30000-feet/