Beata Elżbieta Kozidrak (born 4 May 1960) is a Polish singer and songwriter.

She is the lead singer and lyricist for the Polish iconic pop-rock band – BAJM.

She has a four-octave vocal range[1] and reaches the whistle register.

[2] Her career began in 1978, when she was placed second at the National Festival of Polish Song in Opole, performing the song Piechotą do lata, as a member of Bajm band.

She is an ex-wife of Andrzej Pietras (married from 1979 until 8 July 2016),[4] co-founder and manager of the Bajm band, with whom she has two daughters: Katarzyna (born 7 December 1981) and Agata (born 22 September 1993).