Jan Harbeck
Jan Oostdyk
Jan Oostdijk & Ron van den Beuken
Zofia Nowakowska/Jan Traczyk
Jan Traczyk/Marcin Franc/Piotr Piksa/Pawel Kubat
Malwina Kusior/Jan Traczyk/Marcin Franc/Piotr Piksa/Pawel Kubat/Robert Rozmus/Piotr Pluska
Barbara Gasienica Giewont/Jan Traczyk
Jan Traczyk/Barbara Gasienica Giewont/Zofia Nowakowska
Jan Traczyk/Barbara Gasienica Giewont/Janusz Krucinski/Zofia Nowakowska
Edyta Krzemien/Jan Traczyk
Jan Swiderski
Jan Kreczmar
Zofia Nowakowska/Tomasz Wiecek/Jan Traczyk/Janusz Krucinski
Jan Pisera/Zespol Teatru Muzycznego ROMA
Popkiller Mlode Wilki/Jan-rapowanie
Dirk Meijer and Jan Van Liere
Jan flu
Jan Magne Forde
Jan Magne Forde/Huke Zawose/Roger Ludvigsen/Knut Reiersrud
Jan Magne Forde/Roger Ludvigsen/David Chocron/Kouame Sereba/Betty Zogoba/Jorn Hoel
Jan Magne Forde/Knut Reiersrud/Roger Ludvigsen/The Vertavo Quartet
Jan Magne Forde/Bjorn Kjellemyr/Knut Reiersrud/Mazi Choir
Jan Magne Forde/Roger Ludvigsen/Sverre Erik Henriksen
Jan Magne Forde/Sverre Erik Henriksen/Roger Ludvigsen/Lunga Primary School Choir
Jan Magne Forde/Roger Ludvigsen/Tore Brunborg/Jens Wesseltoft/Bjorn Kjellemyr/Egil Johansen
Jan Magne Forde/Roger Ludvigsen/Annbjorg Lien/Knut Reiersrud
Jan Magne Forde/The Vertavo Quartet/Bjorn Kjellemyr/Roger Ludvigsen
Jan Blomqvist
Jan DeGaetani/Penn Contemporary Players/Richard Wernick
Jan Williams/Members of the Center of the Creative and Performing Arts, State University of New York at Buffalo
Charles Fredericks/Jan Clayton
Charles Fredericks/Jan Clayton/Show Boat Ensemble (1946)
Jan Clayton/Charles Fredericks/Show Boat Ensemble (1946)
Jan Clayton/Show Boat Ensemble (1946)
Jan Ptaszyn Wroblewski Sextet
Hans Dulfer/Ritmo Naturel/Jan Akkerman