His sons Mstivoj and Mstidrag and grandsons Mstislaw and Udo are mostly associated with the Slavic uprising of 983.
Premiere: 28 September 1984, Stuttgart, Radio-Sinfonieorchester Stuttgart, Choir of the Staatsoper Stuttgart and Südfunk-Chor, Phyllis Bryn-Julson, Doris Soffel, Ryszard Karczykowski, Stafford Dean, conductor Mstislaw Rostropowitsch