John Black Haberlen has served as the Director of the Georgia State University School of Music since 1996. Dr. Haberlen is a past national President of the American Choral Directors Association.
John Black Haberlen has served as the Director of the Georgia State University School of Music since 1996. Dr. Haberlen is a past national President of the American Choral Directors Association. (en)
John Black Haberlen has served as the Director of the Georgia State University School of Music since 1996. Dr. Haberlen is a past national President of the American Choral Directors Association. (en)