One half of super-duo 2Cellos reveals the story behind the rise and rise of the rock star cellists.

From little things big things grow, as the saying goes, and this is certainly true of classical cross-over super-group 2Cellos. Luca Sulic and Stjepan Hauser were catapulted into the spotlight in 2011 after releasing a film of an arrangement of Michael Jackson’s pop classic  Smooth Criminalon popular video sharing website YouTube, while both still students at music college in London.

Their high-octane, energetic and charismatic performance quickly became a viral sensation, racking up millions of views and grabbing the attention of a gaggle of high-profile fans including Elton John and American talk-show host Ellen Degeneres. Since that first fateful video posting three years ago, the two young Croatian musicians have toured the world performing with the likes of George Michael and the Red Hot Chilli Peppers. They’ve appeared before thousands of spectators at packed stadium gigs, and have been watched by millions on TV around the world. Their unique blend of hard-rock with a classical twist, performed on their distinctive carbon fibre instruments, have earned them a legion of fans.

Ahead of their latest Australian tour in January 2015, Maxim Boon...