Gökalp Ergen (born 1976 in Antalya), he plays keyboard of heavy metal band Mezarkabul (known as Pentagram in Turkey).
[3] Among the instruments, he can play keyboard, oud, bağlama, cümbüş, cura.
Since the mid-90s, he performed with the cover band called Kutsal Hazine Avcıları in venues such as Kemancı, Hayal Kahvesi, Andon, Eylül, Rock House Cafe.
He has worked with Sertap Erener, Şebnem Ferah[4] and Mor ve Ötesi,[5] Kumdan Kaleler, Nazan Öncel and Sezen Aksu.
He also worked as a theater pianist in Ferhan Şensoy's plays at Ortaoyuncular for two years.