According to the Internet source given below, Sylvia C. Rosin is a German recorder player born in Berlin in 1965. She studied recorder at the Hochschule der Künste Berlin with Prof. Jeanette Cramer-Chemin-Petit, Evi Pfefferle, Prof. Gerd Lünenbürger and Prof. Christoph Huntgeburth. She also studied the baroque oboe with Wolfgang Kube. She arranges sheet music for Ensemble Dreiklang Berlin.