april, 2019 Concerto de trombone - Trombone Concerto 201927apr19 h 00 minConcerto de trombone - Trombone Concerto Event DetailsJerzy Semkow Polish Sinfonia Iuventus Orchestra, conducted by Marek Wroniszewski - Maciej Prokopowicz, trombone JSPSIO website Event Details Jerzy Semkow Polish Sinfonia Iuventus Orchestra, conducted by Marek Wroniszewski – Maciej Prokopowicz, trombone JSPSIO website Time (Saturday) 19 h 00 min LocationFrederic Chopin University of Music, Concert Hall, Okólnik 2, 00-368 Warsaw - Poland