Związek Polskich Autorów i Kompozytorów is the association.
According to PR-model, zakr.pl is ranked 2,215,675th in multilingual Wikipedia, in particular this website is ranked 98,331st in Polish Wikipedia.
The website is placed before cflouisville.org and after tolleshuntdarcypre-school.co.uk in the BestRef global ranking of the most important sources of Wikipedia.