Kangnam's voice cracks as he tries to sing higher than Jo Kwon '& Kang Kyun Sung

On the March 28th episode of 'Quiz to Change the World,'Kangnam's poor voice suffered when he faced off againstJo KwonandKang Kyun Sungin a singing challenge.

In the funny clip shown above,EXID'sSoljistarts off the song with her flawless vocals before the boys take turns trying to sing the line,"I'm okay, I'm okay," higher than each other. Although everyone starts off well, Kangnam breaks at his third turn, resorting to screaming instead of singing. Oh Kangnam.

Meanwhile, Jo Kwon and Kang Kyun Sung continue to impress with their ability to sing higher and higher. Kang Kyun Sung particularly stole the show with his very last turn, singing at a remarkably high pitch that blew the set away. Check it out!