Eileen Khatchadourian is an Armenian singer that stuns people with a voice that is known to move feelings, one of the major reasons why Eileen became famous, requested and loved by her audience. She participated in the Beirut Rock Festival in 2011 at the Zouk Roman amphitheater along with the voice of System of a Down, Moonspell, Katatonia, Kimaera, Khatchadour Tankian, Weeping Willow and Hourglass.