We previously reported that Super Junior's ballad sub-unit, Super Junior K.R.Y (Kyuhyun, Ryeowook, Yesung), would be singing the theme song for Mnet's reality TV program, 'Superstar K3' and now the track titled, 'Fly' has been released! Season 1's theme song for the hit show was sang by Jewelry and it followed by 4minute for Season 2. The theme song for 'Superstar K3? will be played starting on April 24th during the Busan preliminary auditions, and will be utilized until the program ends in November. Representatives from 'Superstar K3? expressed, "Because 'Superstar K' is a program that discovers stars, the theme songs have been sung by Korea's top stars. Moreover, because there have been immense responses in oversea auditions such as in China, Thailand, and other Asian countries, we have picked a global group like Super Junior K.R.Y to sing the theme song." Super Junior K.R.Y commented, "We're very happy to sing for a program that has garnered so much attention. We hope people will receive our music well." Check out the catchy track below and remember to support by purchasing the music. [Thanks to everyone who sent this in.]