Petar Milić studied at the Academy of Music in Ljubljana with Janez Lovše and at the Hochschule der Künste in Berlin with Klaus Hellwig. He furthered his education with renowned international masters such as Arbo Valdma, Igor Lazko, Pascal Devoyon and Elena Lapitskaja. In 1996 he received a student Prešeren Award and in 1997 he won the first prize at the Nikolai Rubinstein International Piano Competition in Paris. In the same year he was invited to the Rencontres Musicales Festival in Geneve, Switzerland.

As a soloist he regularly performs in Slovenia and elsewhere: Paris, Berlin, Hannover, Bruxelles, Bratislava, Geneva and Miami, performing among others concertos by Joseph Haydn, Ludwig van Beethoven, Maurice Ravel and Bohuslav Martinu.

A CD with Petar Milić interpreting the works by Frédéric Chopin was published by the ZKP RTV Slovenija in 2013. A second CD for the ZKP RTV Slovenija featuring works by Ludwig van Beethoven, Johannes Brahms, Felix Mendelssohn-Bartholdy, Lucian Maria Škerjanc and Alexandr Scriabin will be published soon.