It's just been revealed that Super Junior's Kim Heechul had a meaningful recording session with legendary singer�Kim Jang Hoon. On August 31st, Kim Jang Hoon's representative revealed, "The song that Kim Jang Hoon and Kim Heechul sang together will be released in mid-September. Kim Heechul is at the recording studio singing his part right now." In response to the hype surrounding his last-minute recording session, Kim Heechul tweeted, "Kim Heechul Kim Jang Hoon duet. Jang Hoon hyung gave me the last present of my 20's," and uploaded a picture of himself posing with Kim Jang Hoon at the studio. Meanwhile, after receiving basic training at Choongnam, Nonsan for four weeks, Kim Heechul will serve his country for 23 months of mandatory military service as a public service worker. Kim Heechul was involved in a huge car accident back in 2006, and had to have eight metal support pins inserted into his lower body. Because of this, he had to sign up for the less physically demanding public service position. Stay tuned for more info about this exciting duet! Source + Photo: Star News