Chopsticks aren't just for eating with anymore. Tokyo-based composer and inventor Sami Elu has created a "piano" made out of chopsticks, which he uses by plucking piano wires and playing the ...

You might know it as one of the following: a 19th-century waltz, a two-handed jazz piano duet – or perhaps a general byword for an easy piece of piano music. But what actually is ‘Chopsticks’, and who ...