Koszewski

Chór Kameralny “441 Hz”, Anna Wilczewska

NFM Choir, Agnieszka Frankow-Zelazny

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

Poznan Piano Trio: Laura Sobolewska (piano), Anna Ziólkowska (violin) & Dagny Czarnecka (cello)

Paulina Boreczko-Wilczynska (soprano) & Natalia Halicka (soprano)

National Forum of Music Choir, Agnieszka Frankow-Zelazny

Corale "Ave Vita" di Vilnius - Lituania, "Kaufbeurer Martinsfinken" di Kaufbeuren - Germania, "Società Corale Mokranjac" di Belgrado - Serbia, "Female Choir Rasa" di Ogre - Lettonia, "Svitylen Chamber Choir" di Drogobych - Ucraina, "Coro Accademico Vittore Wawrzyczek" di Olsztyn - Polonia, Corale...

The "collegium Cantorum" Choir of the Czestochowa Philharmonic, Janusz Siadlak

Kastytis Barisas (soloist), Saulius Liausa (soloist), Renata Marcinkute Lesieur (soloist), Ave Vita Vilnius

Polski Chór Kameralny, Jan Łukaszewski

The Silesian Philharmonic Choir, Waldemar Sutryk