KBS's 'Immortal Song 2' will be going through drastic cast changes once again! Earlier, we revealed that SISTAR's Hyorin would be leaving the show due to a hectic personal schedule. Unfortunately, it looks like she'll be joined in her exit by Super Junior's Kyuhyun, MBLAQ's G.O, and Jay Park. The idols will leave the show after their final recording on August 29th. The idols enjoyed a boost in their popularity thanks to their strong performances on stage. Hyorin placed first several times on the show and has earned the nickname, "Korea's Beyonce", due to her outstanding talent. Her fame brought in an explosive amount of attention for SISTAR's new album. Similarly, G.O also showed off his talent as MBLAQ's lead vocalist, and he even received the praise, "G.O's Re-discovery", through the program. Meanwhile, Jay Park will be departing for the States to prepare for his new album. As for Kyuhyun, his busy activities with Super Junior have made it impossible to stay on the show. These idol singers are working hard to produce new albums, participate in variety shows, prepare for overseas advancements, and/or meet their promotional schedules, so it's no wonder they've decided that they could no longer fit 'Immortal Song 2' into their planners. Huh Gak will remain on the show, and 'Immortal Song 2' plans to recruit new members to their line-up. The production team is currently preparing specials to add an exciting twist to the program. As for replacements, Go Min Goo PD had previously hinted that f(x)'s Luna would be joining the cast. Go Min Goo PD had stated, "Kyuhyun was added first, and Luna will join 'Immortal Song 2' around late August. As power female vocalists, Luna and Hyorin's match will be quite a sight." Unfortunately, it seems that with Hyorin's early departure, the match between Luna and Hyorin will not be possible. Still, it's feasible that Luna will join the program regardless, and may even take Hyorin's spot as the next female songstress on the program. Stay tuned to allkpop for more details! === In an another update, it was revealed that 4minute's Jiyoon will also be leaving. Source + Photo: Newsen via Nate (1) & (2), Daily News via Nate, Sports Chosun via Nate