Barbara Stanisława Trzetrzelewska, better known by the mononym Basia, is a Polish singer-songwriter and recording artist noted for her Latin-inspired jazz-pop music.

Jaworzno is a city in southern Poland, near Katowice. It lies in the Silesian Highlands, on the Przemsza river. Jaworzno belongs to Lesser Poland and despite belonging to Silesian Voivodeship since 1999, Jaworzno is not part of Silesia. The city is situated in the Silesian Voivodeship since its formation in 1999, previously (1975–1999) it was in Katowice Voivodeship. Jaworzno is one of the cities of the 2,7 million conurbation – Katowice urban area and within a greater Upper Silesian-Moravian metropolitan area populated by about 5,294,000 people. The population of the city is 89,350 (2021).