"Stephen O'Malley (sometimes referred to as SOMA)[1] is a guitarist, producer, composer, and visual artist from Seattle, Washington who has conceptualized and participated in numerous drone doom, death/doom, and experimental music groups (the most notable of which is Sunn O)))).

O'Malley is a founding member of several groups including Sunn O))) (1998-present), Burning Witch (1995-1998), KTL (2005-present), and Khanate (2000-2006). Within these groups and alone, he has collaborated with a variety of artists including Greg Anderson, Merzbow, Eyvind Kang, Alan Moore, Iancu Dumitrescu, Ana-Maria Avram, F.M. Einheit, Randall Dunn, James Plotkin, Julian Cope, Joe Preston, Attila Csihar, Stuart Dempster, Peter Rehberg aka PITA, Lee Dorrian, Jóhann Jóhannsson, Nurse With Wound, the Japanese metal band Boris & Michio Kurihara, Jim O'Rourke, Keiji Haino, Daniel O'Sullivan & Kristoffer Rygg (in the free improvisation act Æthenor together with Steve Noble), Aaron Turner, Oren Ambarchi, Alexander Tucker, and percussionist Z'EV.[2]

O'Malley also produced work together with the French choreographer and theatre director Gisèle Vienne (the pieces "Kindertotenlieder" (2007), "Jerk" (2008), "Eternelle Idole" (2009), This Is How You Will Disappear (2010)),[3] Last Spring: A Prequel (2011), American sculptor Banks Violette (various projects between 2005-2009), the Italian performance artist Nico Vascellari (2007-2011), Swiss art collective KLAT (2009), and the Belgian film maker Alexis Destoop ("Kairos" (2010), with Oren Ambarchi).

O'Malley has directed and produced album cover art and design since the early 1990s for groups including Earth, Burzum, Emperor, Melvins and Boris. He has also worked as a rock/metal music journalist & published a black metal fanzine called Descent in the nineties. He was involved with creation of both the Southern Lord[4] label and the experimental/neofolk/black metal label The Ajna Offensive.[5] In 2011 he began curating and art directing the Ideologic Organ record label, in association with the Viennese Editions Mego.

Although he is originally from Seattle, O'Malley's Web site indicates that he lives in Paris, France."

"Anthony Pateras is a composer and pianist. His works have been performed by The BBC Symphony, Los Angeles Philharmonic, Toronto Symphony, Australian Chamber Orchestra, Brett Dean, Jessica Aszodi as well as a large body of work for percussion by Synergy, Speak Percussion, Slagwerkgroep Den Haag, Vanessa Tomlinson, Diego Espinosa and the percussionists of the Basel Symphony.

Pateras is the producer/songwriter for tetema, a quartet with vocalist Mike Patton and frequent collaborators Will Guthrie (drums) and Erkki Veltheim (violin). Anthony has also performed concerts with Stephen O'Malley, Han Bennink, Paul Lovens, The Necks, eRikM, Valerio Tricoli, Anthony Burr, and has a working trio with Veltheim and trumpet virtuoso Scott Tinkler entitled North of North.

He has been commissioned by Radio France, SWR2 Baden-Baden, Melbourne Symphony, Kitchen Orchestra Stavanger, Muzzix Lille, Richard Tognetti, Lampo Chicago, Jérôme Noetinger, the National Gallery of Lithuania and Ensemble Hiatus through the French Ministry of Culture.

Pateras was the composer-in-residence at the Australian National Academy of Music in 2010, was nominated twice for the UNESCO Rostrum of Composers (2004, 2011) and is a recipient of the 2014 Myer Creative Fellowship.

Anthony has released over 30 albums on Tzadik, Editions Mego, Ipecac and on his own Immediata label. He holds a PhD in composition from Monash University, which explores intersections between composition, improvisation and electro-acoustic music."