Founder of the Poznań Philharmonic (1947), in years 1947-1949 Tadeusz Szeligowski was its director. Since 1950, he ran class of composition at State Higher School of Music in Poznań, and since 1951 a similar class in Warsaw. In years 1951-1954 he was Chairman of the Executive Board of Polish Composers’ Union. Szeligowski was founder of Contemporary Music Festival ‘Poznańska Wiosna Muzyczna’ [Poznań Musical Spring], as well as one of the organizers of International Henryk Wieniawski Violin Competition.

Tadeusz Szeligowski was laureate of numerous composer prizes: First and Second Degree State Awards (1950, 1951), Nagroda Muzyczna Miasta Poznania [Poznań Music Award]; he was holder of Gold Cross of Merit and Officer’s Cross of the Order of Polonia Restituta. He died on 10 January 1963 in Poznań.

On 24 September 1999, at a ceremonious concert, which marked the opening of the 1999/2000 artistic season, Tadeusz Szeligowski’s name was conferred on the Poznań Philharmonic.