Career
Riehn was born in Danzig, Germany (modern Gdańsk, Poland) studied music theory in Mainz, Zürich, and Berlin and composition with Gottfried Michael Koenig in Utrecht.
Riehn was born in Danzig, Germany (modern Gdańsk, Poland) studied music theory in Mainz, Zürich, and Berlin and composition with Gottfried Michael Koenig in Utrecht.