Which Norwegian black metal band invited Attila Csihar from Tormentor to do vocals on their first full-length studio album?
Tormentor Tormentor is a black metal band formed in 1986 in Budapest, Hungary. They recorded their first album, "Anno Domini", in 1988, but were unable to release it until the end of communism. The album reached Norway through the tape-trading community. Following the suicide of Per Ohlin, Mayhem invited Attila Csihar from Tormentor to join the band; he was to perform the vocals on "De Mysteriis Dom Sathanas". Tormentor split up in 1991. After a long break they reformed and released the more experimental "Recipe Ferrum" through Avantgarde Music in 2001.
Tantara Tantara is a thrash metal band from Hamar, Norway, formed in 2009. They play a style of thrash metal influenced by bands such as Heathen, Vio-Lence, and Metallica. The band recorded their debut album, "Based on Evil", in the summer of 2011 with former Metallica producer Flemming Rasmussen, and the album was released in August 2012 on Indie Recordings.