Thomas Knak =  Established the label, Hobby Industries, in 1999.

Thomas  Knak = Opiate.

Thomas Knak + Bjørk = Bjørk : Cocoon and Undo (Vespertine album 2001)

Thomas Knak + Oh Land = Oh Land : Heavy Eyes and Still Here ( Fauna album 2008)

Thomas Knak + Carsten Nicolai = Opiate and Alva Noto = Opto (Opto Files, 2001 / 2nd, 2005)

Thomas Knak + Jakob Bro = Bro/Knak (S/T) 2012

Thomas Knak + Anders Remmer and Jesper Skaaning = Future 3 (We are ../ Stay With../ Like.../ With and Without)

Thomas Knak + Anders Remmer and Jesper Skaaning = System 
S/T, 2002 / Tempo EP, 2007 / B, 2010, Plus (with Nils Frahm) 2018.

Thomas Knak + Anders Remmer, Jesper Skaaning, Sara Savery = People Press Play (S/T, 2007)

Thomas Knak + Morten Remmer = James Bong (C´est Tres Bong , 1995)

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