Kazimierz Serockis ''Concerto for Trombone'' is one of the few 20th-century European concert items intended for trombone. The Concerto was composed in 1953 - thus, in a difficult time for the culture of the countries in the East bloc, especially marked by the ideology of socialist realism. The pressure of political factors caused a great delay in the development of post-war Polish art, effectively damping any tendencies aiming to modernize it. In the music of our country, there took root at that...