[1][2] During the serving of the Danish military service in the aftermath of World War II he created a soldier's singing choir with which he toured in Denmark and abroad.
In contemporary concerts organized by Gösta Schwarck Ib Schønberg appeared as well as a young teenager Bent Fabricius Bjerre, who played along with his newly established orchestra.
In 1958 MGM actor Errol Flynn accepted an invitation to come from the US and participate in the panel of judges - during this he discovered Gösta Schwarck's musical talent and promoted him to his own agents.
A dedicated concert management organisation was established and the profits from his cosmetics company was funneled directly into making it possible for some of the greatest classical contemporary musicians to come to a small country like Denmark.
Alexander Borovsky, Nikita Magaloff, Shura Cherkassky, Yury Boukoff, Walter Klien, Jakob Gimpel, Sviatoslav Richter, Adam Harasiewicz, Grigory Sokolov and others sat at the grand pianos in Danish concert halls and Victor Schiøler wrote a long, open letter where he praised the actions by Gösta Schwarck with the introductory words "The Danish music scene owes much to you."
At the age of 40 years he refined his piano skills with an education at The Royal Danish Academy of Music and graduated as a concert pianist under the supervision of Herman D. Koppel.
In later years he moved away from the piano art and continued to move to other art forms to organize nationwide tours for the Vienna Boys' Choir, Vlach and Janacek Quartet, Carlo Zecchi, Kyung-Wha Chung, Anne-Sophie Mutter, Alexander Lazarev and others and invited famous voices as Boris Christov Christa Ludwig Mirella Freni, Teresa Berganza, Ghena Dimitrova and others to Denmark.
[13][14][15][16] Through the years he was shown honor with orders, medals and governmental acknowledgements from Germany, France, USA, Russia, the Soviet Union, the Czech Republic, Bulgaria, Israel and Hungary.