Marcus Olter (17th century)
German composer. Known by only one composition in ms Lüneburg, Stadtarchiv, Musikabteilung, Mus.ant.pract. KN 207.15 (c1650).
Sources: John Caldwell: Sources of keyboard music to 1660 quoted from Grove Music Online accessed 20 September 2010, Complete article (requires subscription) Willi Apel: The History of Keyboard Music to 1700