The icon of the Ljubljana, Slovenian and Central European alter scene "štirka" is celebrating its jubilee 30th anniversary, which will be as it should be - a celebration called 30K4 - a club festival in 5 acts 2019, will take place for three weeks, and the action is set mainly as a display of live performance of electronic music. A variety of events will also be provided by the accompanying program, which will include workshops, a jam session, the K4 ROZA party, photo and flyer exhibitions, a vinyl market, an open day and socializing with creators.