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Books about Gastorius:
Whatever God Ordains Is Right - Severius Gastorius - SATB by Severius Gastorius (2005)
On God, not on myself. Chorale motet for full chorus of mixed voices a cappella. [Words by] C. F. Gellert, English... by G Gastorius (1938)
Wiki information Gastorius:
Severus Gastorius was a cantor in Jena, central Germany. The son of a Weimar school teacher, Severus was born with the family name Bauchspiess in Oettern, near Weimar. In 1667, he started studying at the University of Jena. From 1670, he deputized...