[1] He was born on 26 March 1975 to father Blagoje [sr] (1927–1993), a longtime journalist of Radio Belgrade, and mother Olivera (née Janković; 1935–2025).

[2] After finishing 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 completed postgraduate studies at the Conservatorio Superior de Música de Salamanca.

He composed the official music for the Mediterranean Games and published a CD in Cuba for boxer Teofilo Stevenson.

He played with the Belgrade chamber group Simfonieta in 1998 and has appeared as a guest on many TV shows.

[7] Miljković has taught bass at MS Stanković since 2002 and at the Academy of Fine Arts in Belgrade.

His students have performed at the Cultural Center of Belgrade, the Student Cultural Center, the Red Star Stadium, and at a concert for the Night of Museums event, as well as making numerous guest appearances on TV and radio shows.