Daniel Friderici was a German cantor, conductor and composer. He was trained by Valentin Haussmann and Frederick Weissensee. In 1612 he enrolled at the University of Rostock. Two years later he was appointed as a cantor for Oldenburg by Count Anton Günther and later moved in 1618 to the same position at the St. Mary's Church in Rostock. After he had finished his training, he was appointed conductor of all churches in Rostock. There he worked until he died there in 1638 from the plague. He wrote many high quality secular and sacred polyphonic vocal works, which became widely known in his lifetime and afterwards. He wrote Musica figuralis which taught techniques of singing.