Brett Yang and Eddy Chen first met each other in math tutoring , when Brett was 14 and Eddy 13 . They became acquainted through being the youngest members of a youth orchestra , and later students at Queensland Conservatorium Griffith University in Brisbane , Australia . Yang 's debut at Queensland Conservatorium was playing the Tchaikovsky Violin Concerto in 2012 , and he has worked with various Australian orchestras , including a performance at the 2014 G20 Brisbane summit . Chen was a finalist for the National Young Virtuoso Award in Queensland in 2014 , and had played with the Queensland and Melbourne symphonies
2014 G20 Brisbane summit
2014 G20 Brisbane summit
TwoSet Violin