A band from Lublin founded at the beginning of 2017. The idea was simple from the first common jam – they play slow and they play hard hard. Out of this came instrumental music, which is a combination of sludge, stoner and doom metal. All this in the dark atmosphere of film lyrics about devils and other magical phenomena. The first EP of the band was released on 15 September 2018 (in digital version). Its recording, mix and master was done by Haldor Grunberg from Satanic Audio, who also added samples to the songs. Currently Optical Sun focuses on promoting their album, planning first concerts and polishing new tracks. They are now releasing their debut album on Via Nocturna. They invited Sun No More – a groove metal band playing since 2013 with a notable performance on Przystanek Woodstock and Running Red – inspired by doom/death metal at the beginning of the 90’s, through the influence of the second wave of black metal, up to contemporary sounds.