12-09-2026 ( Saturday ) – 13-09-2026 ( Sun ) 19:30 various locations in Poznań ClassicON Junior Festival
11-09-2026 ( Friday ) – 13-09-2026 ( Sun ) Zamek Culture Centre (Centrum Kultury Zamek), ul. Św. Marcin 80/82, Poznań Music festival: OPERA 2026
