Joe" on harmonica. The album cover was designed by former Kostić's Radnička Kontrola bandmate, Srđan Marković "Ðile". 1990s In 1990, the band started a major Yugoslav tour, and performed as an opening act on the Motörhead concerts in Yugoslavia. In late 1990, Borojević left the band and was replaced by the former Baby Kate drummer Borko Petrović. The new line-up released a live album, Zabava još traje (The Party Is Still On), recorded live in July 1991 in Zrenjanin and Vršac and released by Sorabia Disk, and in February 1992, as guests at the band's concert in Belgrade SKC appeared Emir Kusturica, a movie director and former Zabranjeno Pušenje member, Johnny Depp, an actor and former The Kids and Rock City Angels member, and Jim Jarmusch, a filmmaker and a former Del Byzanteens member. At the time, the line-up changed one more time, as original lineup guitarist Kostadinović and drummer Borojević returned to the band, and Todorov left the band, being replaced by NBG bass guitarist Saša Vlajsović. At the beginning of the Yugoslav wars, in 1992, Antonijević and Kostić, with Električni Orgazam and Ekatarina Velika members, formed an anti-war supergroup Rimtutituki, releasing the "Slušaj 'vamo" ("Listen Up") single, released by Radio B92 and promoted in Belgrade with the band performing live in a truck while circulating the streets during the anti-war protests. In November the same year, the band was one of the first in Serbia to perform live in Slovenia, being well received by the audience and given special attention by the media. In March 1993, the band performed at the Milos club in Thessaloniki and toured Macedonia. As a part of the Ko to tamo peva? (Who's That Singing Over There?) project, the band, with Ekatarina Velika, Električni Orgazam, and Vještice from Zagreb, performed live in Prague and Berlin. The band also held two concerts in Belgium at a multimedia festival. The fourth studio album, Kiselo i slatko (Bitter and Sweet), produced by the band themselves with Vlada Negovanović and recorded from May to December 1993 at the PGP-RTS Studio 5 and 6, featured guest appearances by the actress Branka Katić and Srđan Gojković "Gile" on backing vocals, Saša Vlajsović and Zoran Radomirović "Švaba" on bass guitar, Srđan Todorović on drums, "Pera Joe" Miladinović on harmonica, Bajaga i Instruktori member Saša Lokner on keyboards, Goran Čavajda "Čavke", Marin Petrić "Puroni" and Borko Petrović on percussion and backing