Muller, Richard : Zlaty palcat '87 , Supraphon 1987, as guest, vocal, [sampler]

Dubasova, Beata : Uschovna pohladov ( Depository of Glances ) , Opus 1988, as guest, background vocal

Banket : Druha doba ?! ( Second Stroke ?! ) , Opus 1989, as guest, background vocal, Jew's harp

Gravis : Kolotoc masiek ( Carousel of Masks ) , Opus 1989, as guest, background vocal

Zbirka, Miroslav : K.O. , Opus 1990, as guest, background vocal