Christian Ahrens was born in Berlin in 1943 and studied musicology and French literature at Free University of Berlin, receiving his Ph. D. in 1970. He has published in the fields of the history of musical instruments and musical practice (mainly wind and keyed instruments), music of the 18th and 19th centuries, including Bach, Roemhildt, Stoelzel, Schubert, Schumann and Bruckner. He has also contributed to dictionaries of musical instruments.
From 1999 to 2009, Dr. Ahrens served as leader of the organological symposia during the Tage Alter Musik (Festival of Ancient Music) in Herne and as editor of the proceedings (10 published, 1 in preparation).