Leessang's Gary expressed his gratitude to 'Superstar K4' winner Roy Kim for performing their hip hop track, "Who Are You Living For".

After watching the November 23rd live broadcast of Mnet's 'Superstar K4', Gary tweeted, "I'm very thankful to Roy Kim for putting on such a wonderful performance of 'Who Are You Living For'... And I'm more thankful that he had the courage to sing this song for the finals. When I was his age, I just wandered around the streets of Shincheon looking for things to do... Heu-heu."

It's been revealed that Leessang's�Gil also gave a few words of encouragement to the winner prior to his performance, saying, "Do well! I'll look forward to it!"

Roy Kim was crowned the winner of 'Superstar K4'. The finalist put on a powerful rendition of Leessang's 'Who Are You Living For' by rearranging the song's rap to a new melody, receiving an explosive response from the audience members.

Roy Kim will be awarded 500 million won ($460,596), which he will be donating to charity, along with the opportunity to debut at the '2012 MAMA', supporting the release of his new album, and a brand new car.