"In 'The Gladiator' transcription Wibi Soerjadi uses a 4-hand technique.. Well, as you might understand this is extreme difficult, even for a piano virtuoso like Wibi Soerjadi. But to help us understand what a 4-hand technique is he composed a 2-hand technique with just one hand.. Melody ás acompany is played with one hand. Double this and you have a 4-handtechnique. So now you know why he plays a 2-hand technique with one hand ;).. This clip has not been edited! Enjoy =)"

"Concert pianist Wibi Soerjadi dressed as an amputee pirate to showcase a one-handed technique. He plays the theme from The Pirates of the Caribbean with his left hand only! ..." --http://www.neatorama.com/2008/09/19/unusual-renditions-of-theme-tunes/