Allegri - Brief biography from Classical Net's Basic Repertoire List with link to his Miserere.
Allegri, Gregorio - Biography noting his positions as singer, composer, and maestro di cappella with a focus on his Miserere. From the Grove Concise Dictionary of Music entry at WQXR radio.
Gregorio Allegri - Wikipedia article with summary of life and works, education, benefices and appointments, and internal references to related people and topics.
