Ilić continued his career as a composer. In 1982, he composed the song "Halo, Halo" ("Hello, Hello"), with which the group Aska represented Yugoslavia in the Eurovision Song Contest 1982. In 1984 he composed the hit song "Princeza" ("Princess"), performed by rock singers Dado Topić and Slađana Milošević. In 1987, Ilić recorded the electronic music album "Delta Project" with composer and keyboardist Sloba Marković. In 1992, on the lyrics of actor Irfan Mensur, Ilić composed music for the theatre play "Plava ptica" ("Blue Bird"). The songs were released on the album "Plava ptica". The title track, performed by well-known Serbian actors, became a hit, largely due to its anti-war lyrics.