Guitarists:

Ben Bolt

Anatoly Izotov

Klaus Kusserow

Jorgos Panetsos

Marek Tomaszewicz

Festivals:

Guitar Foundation of America USA

"Forum Gitarre" Vienna Austria

Others:

HAID - Vienna Austria

"WITCHKING" Heavymetal Band - Cracovia Poland

Recording Studio - Witold Czajkowski - Germany