Oriģināls: Concert Duets. Vladislav Blazhevich. Concert Duets composed by Vladislav Blazhevich. Trombone sheet music. 1881-1942.
Tulkojums: Koncerts Duets. Vladislav Blaževiča. Trombonu notis. Koncerts Duets sastāvā Vladislavs Blazhevich. Par trombonu. Duet vai Duo.