INA & RING : Karlin , Popron 1990, as guest, background vocal

Asmodeus : Prosincova noc blize neurceneho roku ( December Night of an Unspecified Year ) , Monitor 1992, as guest, keyboards

Asmodeus : Ultrametal Vol. II , Monitor 1992, as guest, keyboards, [sampler]

Morava : Morava , Monitor 1992, as guest, keyboards

Vitacit : Mate se hnout ( You Are Supposed to Move ) , Monitor 1992, as guest, guitars, keyboards

Asmodeus : Masters of Czech Metal , Monitor 1993, as guest, keyboards, [sampler]