Born in Belgrade, she completed her piano studies at the Faculty of Music Arts under professor Igor Lasko who said about his pupil to be "A mature artistic personality with an accompreshed and flawless piano technique which is not the sole aim of the interpreter but in sevice of music thought. She has a sence of fine sophisticeted performing ".

                    Two years after graduation Sonja Radojkovich won her Master's Degree at Conservatoire "Tchaikovsky" in Moscow under Professor Yuriy Styepanovich Slyesaryev. "To my knowledge, a very small number of our students succeseed to be admitted to the post-graduated studies at "Tchaikovsky", and what is more, to complete them"- commented on her return from Moscow a distinguished academician Stanojlo Rajicic.

                   Sonja Radojkovich is a first prize winner in many national, republic and federal competitions. In 1993 she took part at Sergey Rachmaninoff Anniversary Competition with 57 best preformers of this composers works and she won in the category of preforming a Rapsody on Paganini theme.

                   Sonja Radojkovich has an active solistic career. She has begun giving numerous solo concerts as well as appearing with orchestras in Yugoslavia and Russia. Lately, she plays twice a year at Concert Hall of Kolarac in Belgrade, her appearances attracting attention. Composer Slobodan Atanackovic says:" Her appearances show her uncommon erudition, technical skill nearing musical works, both in piano and orchestra literature. Her uotstanding exuberant temperament marks a new sensibility and a new era dynamism. With diplomas from the best schools, with her talent, erudition and her brilliant knowledge of piano technique Sonja Radojkovic is a new force in our music life."

                   She works at a Faculty of Music Arts in Belgrade at Department of Conducting and at the Faculty of Musical Arts in Pristina.