After finishing his music high school in 1994, he studied bass at the University of Arts in Belgrade, the Interlochen Center for the Arts in Michigan, the Royal Swedish Academy of Music and the Conservatorio Superior de Musica de Salamanca.
Miljkovic published the book:"Music pieces for double bass".Also he published Civil Defense,Music for footbal club Radnicki Nis.He has composed music for a number of sport clubs. These include Civil Defense for football club FK Radnički Niš,Civil Defense for hockey club Red Star Belgrade,music for football clubs FK Jagodina and OFK Beograd and FK Kosanica,Kursumlija, the basketball club OKK Beograd, the volleyball club Poštar and the water polo club VK Beograd. He has also written music for the town of Vrnjačka Banja,also music for Radio Belgrade,Radio Television Kursumlija,newspaper:"Politikin zabavnik"..He published the Civil Defense for school Vuk Karadzic in Belgrade.
He played for the Belgrade chamber group Simfonieta during 1998 and has played as a guest on many television shows.
In 1999 he was one of the student representatives on the Nobel Prize. He has performed in several solo concerts and other public appearances in Serbia and abroad,United States of America,Sweeden,Spain,Croatia and in Austria,Viena,spnsor by Ministry of Culture Republic of Serbia.
Miljkovic has taught bass at Mississippi Stankovic since 2002 and at the Academy of Fine Arts in Belgrade.He is also profesore of double bass at International Academy of Music,Pucisca,Croatia,since 2013. His students have performed at the Cultural Center of Belgrade, Student Cultural Center, the stadium of Red Star Belgrade and a concert for the "Museum Night" event, as well as numerous guest appearances on television and radio shows.
