Having worked as an ambiental music composer, in 1989, Aćin founded the gothic rock band BAAL, as its keyboardist and lead vocalist, with bass guitarist Srđa Popović, guitarist Vojkan Petković, and drummer Vlada Marinković.
For the Milan Konjević's movie Waiting (For Death), Aćin recorded two instrumental tracks, "Waiting 1" and "Waiting 2".