Genius pianist plays 'Happy Birthday' in the style of Beethoven, Chopin, Brahms, Bach AND Mozart

The world's most popular song, in the style of five great composers (including a 'drunk' Mozart).

Happy Birthday

American pianist Nicole Pesce can play some 12,000 songs off by heart. It's earned her the nickname 'The Human iPod'. Not only that, she can also play in all sorts of musical styles, from Baroque to (we presume) Bieber.

Here's her rendition of 'Happy Birthday to you' in the manner of Beethoven, Chopin, Brahms, Bach, Mozart, and – lying on her back – Mozart drunk.

Nicole Pesce pianist

So far her video has notched up almost two and a half million YouTube views. Take a look: