Rosier, Carl , Flemish violinist and composer; b. Liège, Dec. 26, 1640; d. Cologne, before Dec. 12, 1725. He became a violinist at the Bonn electoral court about 1664, and subsequently was Vice-Kapellmeister. He went to Cologne in 1675, but was also active as a violinist in Holland from about 1683 to 1699; was appointed Kapellmeister of the Cologne Cathedral in 1699 and also of the city in 1701. He was an accomplished composer of instrumental music.
U. Niemöller, C. R. (1640–1725), Kölner Dom- und Ratskapellmeister, Beiträge zur rheinischen Musikgeschichte, XXIII (Cologne, 1957).
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire