She completed her secondary musical education in Belgrade at the school Stevan Mokranjac, the department for theory and the department for solo singing in the class of Mirjana Vlaovic. She graduated from the Faculty of Music Art in Belgrade at the Department for General Musical Pedagogy. After her studies at the Faculty of Music Art in Belgrade and the Academy of Arts in Novi Sad, she studied solo singing in the class of the principal male singer of Bucharest Opera, Oktav Enigaresku. She received her M.A. degree in the class of the Professor Vera Kovac Vitkai. Even during her studies, the experts noticed her dark coloured voice, equalized in all registers, as well as her capacity to shape phrases. Tanja Obrenovic is a soloist of the Opera of Madlenianum, where she realized roles in the operas The Secret Marriage, by D. Cimarosa, The Wise Girl, by K. Orff, Two Widows, by B. Smetana, Cosi fan tutte, by W. A. Mozart and the Tales of Hoffmann, by J. Offenbach, La Traviata, by G. Verdi and Madam Butterfly, by G. Puccini.