Miekzewski, Marcin, significant Polish composer; b. place and date unknown; d. Warsaw, Sept. 1651. He was a member of the royal chapel in Warsaw by 1638. From 1645 he served as director of music to Karol Ferdynand Waza, Bishop of Plock, brother to the King. Mielczewski was a worthy composer of sacred vocal music, producing concertâtes, masses, and motets of worth. He also wrote some instrumental canzonas. See Z. Szweykowski, ed., Marcin Mielczewski; Opera omni, Monumenta Musicae in Polonia (1976 et seq.).
—Laura Kuhn/Dennis McIntire