Bem received the main award at the Meeting of Jazz Vocalists in Lublin in 1972, which have her the opportunity to start performing with many renowned jazz musicians, such as Jan ‘Ptaszyn’ Wróblewski, Jan Jarczyk, Janusz Muniak, Zbigniew Namysłowski, Wojciech Karolak, and Henryk Majewski.
Late 1970s and the 1980s were important for Bem’s career, as she gave many concerts, both in Poland as well as abroad. She participated in festivals in Cuba, Kenya, and India; her solo recordings were at the top of radio charts. In 1981, she released the album Be A Man, which was a part of the prestigious Polish Jazz Series. According to Jazz Forum, the official magazine of European Jazz Federation, in the years 1983-1985, Bem was the best Polish jazz singer and the fourth best in Europe.
Starting in 1987, she cooperated with jazz pianist Andrzej Jagodziński, who became her regular accompanist.
In 2001, Bem recorded the album Mówię Tak, Myślę Nie. Stylistically, it is slightly different from her previous jazz works as it features many pop influences. After its success, in 2004, the singer released the album ewa.ewa, where she sang new versions of her previous songs and covers of Marek Grechuta’s pieces.
In June 2018, after the death of her older daughter Pamela, Ewa Bem officially ended her music career. Although the first jazz lady of Polish jazz no longer gives concerts, her music is still present in the world of jazz and popular music.