She’s was an amazing artist and personality. I have listened to her music mostly by the Anonymous 4 for some time and my wife previously while singing with the Calgary Renaissance Singers learned some of her music.
Here is a recording on YouTube by a Czech artist Hana BlochovÃ¡ of KVINTERNA
And here is where you can buy a DVD of her play Opus Arte. Note you can click on the button on the screen there to play a sample or watch the YouTube version below!