Zbigniew Seifert (1946-1979). Photo credit: Marek Karewicz Mary James writes: Jazz violin virtuosi from all over the world will participate in the 2nd International Zbigniew Seifert Jazz Violin Competition , to be … Continue reading NEWS: Semi-finalists in the 2nd Zbigniew Seifert Jazz Violin Competition (Lusławice and Kraków, Poland)