marta katarzyna wiktoria wiśniewska, professionally known as mandaryna, born marta mandrykiewicz on 12 march 1978 in łódź, poland, is a polish singer, dancer and actress. she rose to fame as the dancer of polish pop group ich troje, and the partner of its leader, michał wiśniewski. she embarked on a singing career in 2004, covering whitesnake's "here i go again", which became a hit in poland. her first two albums, "mandaryna.com" and "mandarynkowy sen", released in 2004 and 2005, respectively, were met with commercial success. in 2005, mandaryna sparked a major controversy during her performance at sopot festival, which exposed her alleged lack of vocal talent. nonetheless, the performed song "ev'ry night" became a massive hit and remains arguably her best-known song to date. the song was written and produced by her longtime producers/writers harald reitinger and uli fischer who are responsible for 90% of her musical career.