The Audio Recordings series contains 2 audiotape reels and 3 compact discs. Including recordings of Donald Mackey and the Renaissance Singers of Montreal in concert and CBC radio programmes.

The Miscellaneous series contains miscellaneous documentation pertaining to the Renaissance Singers of Montreal. Documents in this series are organised chronologically.

The Scores series contains copies of various scores of works performed by the Renaissance Singers of Montreal. Additional information provided where possible.

The Photographs series contains photographs of church organs, professional photos of Donald Mackey alone and with others. Also includes correspondence from Helen Mackey to Cynthia Leive.

The Programmes and Scripts series contains programmes of Donald Mackey and the Church of Messiah and the Renaissance Singers of Montreal in performance; as well as scripts and programming for the following series presented/performed by the Renaissance Singers: CBC broadcasts not in a series, Christian Frontiers, Sunday Chorale and Good Friday.

The Concert Programmes series contains programmes of concerts performed and/or attended by Donald Mackey. The series is organized chronologically, by subject as indicated.

The Clippings series contains newspaper clippings of publicity, articles and reviews concerning performances, broadcasts and recordings of the Renaissance Singers of Montreal.
*N.B. other clippings and reviews can be found in the Administrative Materials series.

The Scripts and Writings series contains writings, lectures and talks by Donald Mackey; as well as documentation pertaining to special projects organized and carried out by Donald Mackey (i.e. organ installations and events). The series is organized chronologically.