Værnes has participated on numerous recordings in different generes, including Geirr Lystrup's Songen om kjærleika (1980), Etterlatte sanger (1986)together with Sidsel Endresen and Jonas Fjeld, Jan Eggum's (E.G.G.U.M. (1995) and Stilig (1986), and Gym (1997) with Di Derre.
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Værnes led his own Trio and Quartet with co-musicians Morten Halle (saxophone), Edvard Askeland (bass) and Frank Jakobsen (drums).
Knut Hamsun | Knut Wicksell | Knut Hamre | Knut Buen | Knut | Knut Schreiner | Knut Posse | Knut Kiesewetter | Knut Haavik | Knut Haakonsson | Knut Gjerset | Knut Anders Fostervold | Knut Vollebæk | Knut Værnes | Knut Storberget | Knut Seip | Knut Reiersrud | Knut Lystad | Knut Lundmark | Knut Kloster | Knut Johannesen | Knut Holmann | Knut Helle | Knut Haug | Knut Hamsun's | Knut Frydenlund | Knut Frænkel | Knut Erik Jensen | Knut Brynildsen | Knut Bergsland |
Other cooperation was with Knut Værnes, Staffan William-Olsson's records Smile (1998) and Oak road boogaloo (2000), Alf Kjellman Project, Beady Belle and Trionic, Ole Jacob Hansen, Espen Lind's band, Espen Rud Sextett, awarded Spellemannprisen 1998 for the album Rudlende, Tine Asmundsen's «Lonely Woman», and Geir Lysne's «Listening Ensemble».