Must Missa was formed in Estonia in the winter of 1996 by Kris and Viking. Berg joined shortly afterwards. So in 1997 the line up was: Kris – drums, Berg – vocals, Viking - Guitar. In 1999 the band got their first experiences on stage, namely in Metal Fest Four. In the following year the band recorded their material in Theka Studio. Four tracks recorded in the studio and one in rehearshal made it to the demo „Sex Beyond The Grave“. A total of 40 copies were made and spread amongst friends.