Marsis is a Karadeniz rock band from Istanbul, Turkey formed in 2005 by Korhan Özyildiz and Ceyhun Demir. The band's final line-up was shaped in 2008. They started working on their debut album in 2007 and released in May, 2009 from Kalan Muzik. "Marsis" is the name of the seventh highest peak of "Kaçkar Mountain". The band members are; Korhan Özyıldız (vocals & acoustic guitar) Ceyhun Demir (kemençe) Mustafa Gökay Ferah (tulum) Çağatay Kadı (electric & acoustic guitar) Evren Arkman (bass guitar) Yaşar Kadir Baş (drums)