Super Junior's Ryeowook and INFINITE's Sunggyu have announced that they'll be joining KBS's 'Immortal Song 2' as fixed members!

The two will be starting with the June 4th episode featuring a special on Yang Hee Eun. Ryeowook in particular is known for his sweet voice as well as vast experience in musicals and radio DJing. Sunggyu himself is the team's leader and main vocalist. �He is one of the few idol members that can be proud of his outstanding vocal talent.

As they are both part of groups at the forefront of the Hallyu wave, fans are excited and looking forward to how well they'll fare every week on the show.

Their first stage will broadcast on June 16th.

Source + Photos: Newsen via Nate