Justyna Steczkowska (b. August 2, 1972 in Rzeszów, Poland) is a Polish singer, songwriter and actress. She's over 4 octaves voice. Her notes are not whistle, but falsetto. That makes them sound better and stronger. She has also performed under the name Justyna. She comes from a very musical family. She played violin in a family band before becoming a singer.
Justyna Steczkowska became famous when she won one of the most popular song contests in Poland Szansa na sukces with a song "Buenos Aires". Her wide vocal scale is one of her most noticble traits as a singer (over 4 octaves). After a few CDs with her own songs she released Alkimja (title in Yiddish language) a complication of Jewish songs and Polish lyrics. Then came her "Femme Fatale" album, featuring songs from the most "Fatale" women of all time.
More info: http://en.wikipedia....yna_Steczkowska