During his long career, Stefanovic performed throughout Europe, Africa and North America. Stefanovic recorded for the leading radio and television stations in the country and abroad: United Kingdom, Italy, France, USSR, Germany, etc. As a soloist, member of various chamber groups and orchestras, he collaborated with distinguished Yugoslavian and international artists, including: Herbert von Karajan, Lorin Maazel, Leopold Stokowski, Kirill Kondrashin, Bernard Keeffe, Oivin Fjeldstad, Francesco Mander, Jerzy Katlewicz, Jovan Sajnovic, Uros Lajovic, Anton Kolar, Anton Nanut, Petr Vronsky, Zbigniew Chwedczuk, Oskar Danon, Dusan Skovran, Josef Daniel, Zivojin Zdravkovic, Julio Maric, Franc Klinar, Roman Skrepek, Aleksandar Pavlovic, Vanco Cavdarski, Bogo Leskovic, Djura Jaksic, Mladen Jagust, Aleksandar Lekovski, Bogdan Babic, Vojislav Simic, Eric Hope, Evgeni Korolyov, Michel Dussault, Andreja Preger, Viktor Jakovcic, Freddy Dosek, Zorica Dimitrijevic-Stosic, Mirjana Krsljanin, The Zagreb Soloists, The Belgrade Trio, The Serbian String Quartet, The Zagreb Quartet and many others. 