Attila Csihar

In 2019 he formed an esoteric noise project called Hiedelem with drummer/percussionist Balázs Pándi (Merzbow, Keiji Haino).

He worked in film production, most notably on Tony Scott's Spy Game, where he was the first assistant of production designer Norris Spencer. In 2018 he was portrayed in the film Lords of Chaos, which depicted the early 90s Norwegian black metal scene (in particular Mayhem). He was portrayed by his son Arion.

Between 2016-2018, Csihar joined blackened death metal supergroup Sinsaenum. He would perform lead vocals alongside Sean Zatorsky of Dååth, with DragonForce bassist and group founder Frédéric Leclercq and Loudblast guitarist Stéphane Buriez on guitars, Seth guitarist Heimoth on bass, and former Slipknot drummer Joey Jordison on drums. The band released its debut album Echoes of the Tortured on July 29, 2016 via earMUSIC.

In 2008 he has also joined another project, Gravetemple with Stephen O'Malley of Sunn O))) and Oren Ambarchi.

Csihar started his solo act in November 2008, called Void ov Voices. His live performances have been in support of artists like Ulver on their first European tour, Bohren & der Club of Gore, Lustmord, Ruin and Diamanda Galas. He performed at "The Grand Reincarnation" Of Paul Booth’s Last Rites Gallery & Tattoo Theatre. He also toured in Japan and played on Mofo festival in Tasmania.

In 2004, Csihar rejoined Mayhem after the departure of Maniac, the band's previous vocalist. Their 2007 album, Ordo ad Chao, won the Spellemannprisen (also known as the Norwegian Grammy). Since then the band has embarked upon intense international touring.

He is a "shadow" member of the American doom/drone metal band Sunn O))). His first collaboration with the band was in 2002 when he sang in Sanskrit language the song "Decay (The Symptoms Of Kali Yuga)" on their album White 2. His first live performance with the band happened on 24 March 2003 at Stadtwerkstatt in Linz, Austria. He has recorded five full-length albums with the group, including the very successful Monoliths & Dimensions, and performed live with the band on their worldwide tours 100's of shows.

His music career began in 1985 in the Hungarian metal band Tormentor, which reached cult status in black metal circles with their first album, Anno Domini(1988). Tormentor performed 50-100 live shows between 1986-90 and become one of the most infamous band in Hungary of all times. After Tormentor he started his dark electro industrial band Plasma Pool (1990-1994). On the strength of his work in Tormentor, he was invited to perform vocals on the De Mysteriis Dom Sathanas album by Norwegian black metal band Mayhem after Dead committed suicide. His groundbreaking new ways of singing added a special character to Mayhems sound Ultimately Csihar performed no live concerts with the band until his second tenure in 2004.

Attila Csihar (Hungarian: [ˈɒtillɒ ˈt͡ʃihɒr] ; born 29 March 1971), also sometimes known as Void, is a Hungarian extreme metal vocalist, best known for his vocal work in Norwegian black metal band Mayhem and American drone-doom project Sunn O))). Author Ian Christe describes his vocals as "operatic."