Paul Siefert

Paul Siefert was a German composer and organist associated with the North German school.

Adapted from the Wikipedia article on Paul Siefert.

From the period sources

Marco Scacchi, a Roman pupil of Fel. Anerio and court-director at Warsaw from 1623 to 1648, notably published a series of pamphlets against Siefert between 1643 and 1647, according to The New Encyclopedia of Music and Musicians (1924). Scacchi’s own works from this period included an opera and an oratorio.