Super Junior's Heechul and Zhoumi teamed up with TRAX' Jungmo on the August 6 installment of 'Immortal Song'.

The trio covered "Pro and Amateur" by the legendary group Roo'ra, and Heechul revealed he was a huge fan. He expressed, "I'm a huge fan of Roo'ra. I know all of Roo'ra's songs as well as every song Lee Sang Min composed by heart." He then revealed that Zhoumi was taking the place of main vocalist Kim Ji Hyun, while Heechul took on the roles of Lee Sang Min and Chae Rina as well as the other members.

With Jungmo on the guitar, Heechul rapping, and Zhoumi singing, their rendition got the crowd going, but they weren't able to win the round. In the end, it was Choi Jung Won who took the final win.