ZE:A�took on disco on the latest episode of 'Immortal Song 2'.

For the 'Legend 7' special, the boys covered "Hot Stuff" by Donna Summer, and their performance got the crowd and host Shin Dong Yup�going. Their competitors in the waiting room commented, "Looking at the reaction, ZE:A will win," and�"I've never seen the judges dance like that before."