E!E : Obycejni poserove ( Ordinary Cowards ) , demo 1988, bass guitar, vocal

E!E : E!E (0001) , E!E (Petr Jaros) 1992, vocal

E!E : Poslouchej ( Listen ) , E!E 1993, vocal

E!E : Mrtvak ( Dead Recording ) , E!E 1995, vocal, [compilations / live recs.]

E!E : Deska ( Record ) , E!E Records 1996, vocal

E!E : Lepsi uz to nebude ( It won't be any better ) , 2006, vocal