In 1963, she won a distinction at the 2nd Festival of Young Talents in Szczecin, and the following year she auditioned for Czesław Niemen's choir Błękitne Pończochy (or Blue Stockings), which accompanied the band Niebiesko-Czarni.
In the years 1968–1970, together with Niebiesko-Czarni, she gave concerts in France, Belgium, Yugoslavia, Finland and West Germany.
[2] During the period of cooperation with Błękitne Pończochy, Rusowicz started an affair with Czesław Niemen.
In 2012 in Dzierzgoń, in the City Park, a concert hall was named after Rusowicz and a plaque commemorating the singer was unveiled.
By a resolution adopted at the session of the Poznań City Council on 12 July 2016, the square located between Bolesława Krzywoustego, Pleszewska, Brneńska and Anna Jantar streets near the "Posnania" shopping center in the area of the Rataje estate in Poznań was named after Ada Rusowicz.