The festival, one of the city's flagship cultural events, returns after two years online due to the COVID-19 pandemic.
This year's edition, which runs until Sunday, offers a profusion of concerts, screenings and other attractions for music aficionados.
It also aims to pay tribute to the people of war-torn Ukraine...
Agnieszka Bielawska spoke to the festival's originator and director, Robert Piaskowski.
Listen to the interview by clicking on the audio player above.