Burian, Jan : Cerny z nebe ( Black From the Sky ) , Primus 1991, as guest, guitars, background vocal

Puvodni Bures : Ghost do domu ( Ghoest In The House ) , Indies 1998, as guest, background vocal

Puvodni Bures : Prepadli vas indiani ( You're Under Indian Attack ) , Widlaphon 2009, guitars, vocal