(Photos Courtesy of Pam Chaddon, Chamber Orchestra of the Springs / Taken during rehearsal) Back in February, Eapen Leubner’s Art Song Colorado presented “Voices of the African Diaspora,” a concert dedicated to Black composers throughout the centuries. Audiences had the chance to listen to works by Joseph Bologne, H. Leslie Adams, George Walker, Jessie Montgomery, Andre Myers, and Undine Smith {…}