After San split up, Ilić continued his career as a composer, authoring several hit songs for Yugoslav pop and rock artists.

[4] On 2 February 1975, during a concert in Čair Hall in Niš, San vocalist Predrag Jovičić died from an electric shock.

[4] In 1977, as a tribute to Jovičić, the members of San recorded songs they prepared for their debut album with singers Zdravko Čolić, Dado Topić, Bisera Veletanlić, Zdenka Kovačiček and Zlatko Pejaković.

[4] In 1979, Ilić was a member of the supergroup Mag (Wizard), formed for the recording of the soundtrack for Goran Marković's film National Class Category Up to 785 ccm.

[2] In 1992, on the lyrics of actor Irfan Mensur, Ilić composed music for the theatre play Plava ptica (Blue Bird).

[2] The album featured more than 90 musicians, including Brankica Vasić, Svetlana "Ceca" Slavković, Nataša Jelić, Marijana Kalajić, Đorđe David and Pavle Aksentijević on vocals, Dragoljub Ilić on keyboards, Slobodan Trkulja on gajde and kaval, Dragomir "Joga" Milenković on cümbüş, Veljko "Papa Nick" Nikolić on percussion, Branko Kljajić on bouzouki, Bora Dugić on flute, Ljuba Dimitrijević on blowing horn and shawm, Darko Karajić on oud and saz, St. George String Orchestra, Radio Television of Serbia Choir, and others.

Among Ilić's new collaborators were Izet Kizil (percussion), Peter Kostadinov (gajde), Miljan Miljanić (gusle) and Rastko Aksentijević (šargija).

[2] On 21 September 2005, the band held a concert entitled Putem Teslinih misli (Following Tesla's Thoughts) at Belgrade's Kalemegdan Fortress.

[2] The album featured a cover of the song "Maljčiki" (Russian for "Boys"), originally recorded by the Yugoslav new wave band Idoli.

[2] In 2013, Ilić composed the work Constantinus Magnustantinus Magnus, which was performed in Belgrade and Niš as a part of the celebration of 1700 years since the Edict of Milan.

[2] Ilić composed songs for numerous Yugoslav performers, including Bisera Veletanlić, Lutajuća Srca, Zdravko Čolić, Zlatko Pejaković, Jadranka Stojaković, Suzana Mančić, Zdenka Kovačiček, Neda Ukraden, Maja Odžaklievska, Leo Martin, Slađana Milošević, Gabi Novak, Radmila Karaklajić, 7 Mladih, Jasna Zlokić, Doris Dragović, Bora Dugić, Louis, and others.

[2] He wrote music for films Dark Echoes (1977), Transfer (1980), Strange Night (1990), Vukovar: A Story (1994), The Border Post (2006), Ambulance (2009) and Ice (2012).

[10] On 28 June (Serbian national holiday Vidovdan) 2021, Ilić was posthumously awarded the Golden Medal for Merits by the President of Serbia.