Several DVD's of this show are available to buy online, one review (possible written by someone involved with the production) states....
The excellent idea of Zbigniew Gorneg was realized on Polish television with the release of Gala Songs. 110 minutes of singing, fun and games by popular Polish actors and singers. Starring Piotr Gasowski, Katarzyna Jamroz, Wojciech Kaleta, Boguslaw Mec, Robert Rozmus, Maryla Rodowicz z Zespolem, Hanna Sleszynska, Ryszard Rynkowski, Krzysztof Tyniec, Zespol Afabre.
It appears to be a Polish TV special from the 1990s