Konrad Hagius (also Conrad von Hagen and Cunradus Hagius Rinteleus (Rinteln, * about 1550, † 1616 before 9/23 also in Rinteln) led an eventful life which led him through large parts of Europe. He found employment with Protestant and Catholic lords alike. While nothing is known about the first 30 years of his life he is mentioned from 1581 as a bassist in Stuttgart and in 1584 as court composer in Emden Until the beginning of the 1590s he lived in Düsseldorf as a musician of Duke Johann Wilhelm the Rich of Jülich. Here he published his four part setting of the Psalter by Caspar Ulenberg in 1589. After an extensive journey through Germany, Austria, Bohemia, Hungary, Poland, Prussia and Lithuania, he worked as bassist in the court orchestra of Duke Friedrich von Württemberg in Stuttgart in 1607. In 1611 he went to Rinteln as court composer where he also died.
Besides the "Psalms of David" he created the "New German Tricinia" (Frankfurt a. Main 1604), also the "Canticum virginis intemeratae Magnificat ... 4, 5 et 6 voc. (Dillingen 1606). Also attributed to him are "new artificial musical intrades, pavans, galliards, passemezes, courrant and ''Uffzüg'' in 4, 5 and 6 voices including several fantasies or fugues with 2 and 3 voices ... which ... even recently composed ...". (Nuremberg 1616)
