Twardowski

Rafał Wiecha, Choir of the Lodz Grand Theatre

Agnieszka Kozło, Katarzyna Ewa Sokołowska (pianos)

Warsaw Trio, Anna Betley (violin, viola), Piotr Hausenplas (cello)

Chór Akademicki Politechniki Warszawskiej, Dariusz Zimnicki

St. Michel Strings, Tadeusz Wicherek

The Polish Piano Quartet

Krzysztof Kur (tenor), Marta Boberska (soprano), Apolonia Nowak (vocals)

Warszawski Chór Kameralny, Ryszard Zimak

NFM Choir, Agnieszka Frankow-Zelazny

Trio Cracovia

Andrzej Slabiak (soloist), Milada Jirglová (vocalist), Jarmila Randová (vocalist), Stanislava Secká (vocalist), Jaroslav Tománek (vocalist), Jaromír Bělor (vocalist), Vratislav Vinický (vocalist), Kühn Mixed Choir, Pavel Kühn