I also listened to 'Brathanki' when Małysz was jumping.
It's weird how folk music was marginalized in Poland compared to other countries in the region... popular music based on folk music has always been a thing in Romania
youtube.com/watch?v=NFpnsskVWLU
and in Hungary you had the Seboe Ensemble (Brathanki's first hit was a "cover" of one of their songs a
youtube.com/watch?v=zfSamRTKNuM
and Kamilla Devai Nagy, a personal favorite
youtube.com/watch?v=NFpnsskVWLU
Bulgaria produced one of the all time great recordings in the 1960s
youtube.com/watch?v=EIYTaeeN1Og
But Poland seemed to want to forget about its folk heritage in popular music