This appears to be a taped broadcast (from April 15, 17, 19, 1997) of a television program "Ego", featuring glass artist Petr Vlček. The programs feature statements by the artist about his work, studio, glass exhibition, and life.
Glass artist, Petr Vlček.
"Petr Vlček, born in the Czech Republic in 1962. Petr studied at the Academy of Applied Arts in Prague in 1990. He lives in the Czech Republic where he is a practising [sic] glass artist."--Container.