Ipsilon is a progressive/symphonic metal band from Barcelona (Spain) born in 2008. They released a demo in 2010 and an EP 2011 both with a great success.
Along this time the band has acquired a more progressive sound. In 2014 Ipsilon releases their first long play album called "Las Cronicas De Enki".
(taken from band's bandcamp page: ipsilon.bandcamp.com)