[1] The three had been performing together since 1978 under the name ŠV 20 (chosen after a form signed by students at Yugoslav universities),[1] with some of their demo recordings broadcast on Radio Novi Sad.
[1][2] In 1983, they were joined by Stevan Dostan (drums), Dejan Isakov (keyboards) and Zoran Janjetov (vocals), who was at the time a well-known comic book artist.
[3] During the recording of the band's debut album Pavlović and Dostan left the band, so the album was recorded with rhythm machine, which was programmed by Karlowy Vary member Tomo in der Mühlen, and with bass guitarist Aleksandar "Caki" Kravić.
[3] The album featured Deže Molnar on saxophone and Hungarian jazz musician Rudolf Tomsits on trumpet.
[1] The record, entitled simply Heroina and featuring artwork designed by Janjetov (he created the painting on the cover in only two hours),[3] was released through PGP-RTB in 1985.