Serj delights fans with this Cornell tribute.

Serj Tankian recently said he "was disappointed" there was no progress on new System of a Down music.  However, he did surprise fans with this tribute to the late Chris Cornell.

Watch Pro-Shot Footage Of SERJ TANKIAN's 'Like A Stone' Performance With Surviving Members Of AUDIOSLAVE

SYSTEM OF A DOWN frontman Serj Tankian joined PROPHETS OF RAGE on stage on Saturday, June 3 at the Rock Im Park festival in Nuremberg, Germany to perform AUDIOSLAVE's "Like A Stone" as a tribute to Chris Cornell.