Related Information for Adamantra Adamantra is a Helsinki, Finland based heavy metal group.The idea of forming the band saw daylight three years ago, when bass player Jukka Hoffrén started recording some of his tunes and ideas on a friends computer. As the songs started to find their final shape during the process of preproduction, it was time to form a band to perform the music.Line-up:Vocals: Tuomas NieminenGuitar: Tommi AhtilaGuitar: Panu KiskolaBass: Jukka HoffrénDrums: Mikko SepponenRegardless.. read more