The fonds provides information on Montreal Children's Theatre and its founders.

The fonds consists of five scrapbooks including press clippings and articles, as well as photographs, a video cassette of a media interviews with Dorothy Davis [ca. 1983, 1984] and of a report on her death in 1993, and the honourary degrees conferred by Concordia University on Dorothy Davis and Violet Walters in 1984.

The fonds provides information on rhythm and blues music in Montreal.

The fonds contains a Concordia University paper written in 2000, entitled Notes in Time: A Brief Oral History of Montreal's Rhythm and Blues Club Circuit, on the club circuit in Montreal 1967-1999. It includes video interviews with four rhythm and blues musicians and a laser copy of an exterior photograph of the Montreal night club Rockhead's Paradise.

The fonds consists primarily of slides on liturgical art in Quebec. It includes slides on the production of films and books on art.

The Gerry Hanson fonds contains documentation pertaining to Montreal's music scene during the big-band era, and illustrates Gerry Hanson’s life as a musician.

The fonds consists of 12 photographs showcasing Montreal orchestras in which Hanson performed, including the Westernaires, the Blue Serenaders, the Alouette Band, and Paul Beauregard’s Orchestra. The performers depicted in these photographs are mostly identified. The fonds also includes photocopies of press clippings.

The fonds consists mainly of recordings of radio broadcasts featuring musical performances by Gordie Fleming and his group. Most were broadcast on Radio-Canada and CBC on Lower Canada Swing, Saturday Set, Les joyeux troubadours, Jazz en liberté and Les fantaisistes.

The fonds documents Guy Thouin’s career from the 1950s to 2021, including his time at the Quatuor de jazz libre du Québec (1967-1971), L’Infornie (1969-1971), The Heart Ensemble (1989-present), and Nouveau Jazz Libre du Québec (2012). The fonds also provides information about Thouin’s personal life, including his early years in elementary school, his time playing with the cadets, moments with his family and friends, his studies in Quebec, and his life in India.

The Guy Thouin fonds contains photographs, music scores composed by Guy Thouin from 1968 to 2020, sound and audiovisual recordings of live performances, posters, records, clippings about Guy Thouin and his musical projects, flyers, curriculum vitae, biographical notes, postcards, press releases, certificate of birth and baptism, and certificate of optician license.

The Guy Thouin fonds is divided into 4 series:
F040/A Scores
F040/B Photographs
F040/C Musical career
F040/D Personal records

The fonds consists of interviews conducted by Harriet Eisenkraft.

The fonds is a source of jazz history in the mid-20th century.

The fonds consists of 491 reel-to-reel audio tapes. Most of them contain interviews conducted by Henry Whiston with jazz personalities, in preparation for the show "Jazz at Its Best" and other radio shows. The interviews served as source material from which excerpts were edited into the program. A large part of the documents are related to Glenn Miller or the Duke Ellington orchestra.

The fonds consists of materials assembled by Herb Johnson. It reflects his career as a musical performer, combo and dance band/orchestra leader, and musicians' union member and executive, as well as his personal interests and personal life.

The fonds documents the dance band and jazz music scene from the 1930s through the 1980s, primarily in Montreal. It is a valuable source of documentation on the bebop style of jazz that emerged in the 1940s, and of documentation related to the Senior Musicians' Association and Orchestra.

The fonds consists of manuscript and print music, including arrangements by Herb Johnson; personal correspondence; saxophone and clarinet technique books and articles; books and articles on arranging, harmonizing, and other facets of music; photographs; notebooks; personal financial records; programs, clippings, and other memorabilia; and magazines. The fonds includes sound recordings as well as objects including music portfolios, pocket handkerchiefs, and a record carrying case. There are also union-related correspondence, financial documents, contracts and other documents related to musicians' pay and benefits, founding documents, constitutions and by-laws, questionnaires, ballot papers, agendas, minutes, and address books.

The fonds is arranged in the following series and sub-series:

P0088/1 Correspondents
P0088/1A Family and friends
P0088/1B Music colleagues
P0088/1C Personal business correspondents
P0088/2 Personal files
P0088/2A Personal interests and personal affairs
P0088/2B Music industry
P0088/2C Music technique
P0088/2D Photographs
P0088/3 Union activity
P0088/3A Musicians' Guild of Montreal
P0088/3B Senior Musicians' Association
P0088/4 Print and manuscript music
P0088/5 Technique books, manuals, tutors, methods
P0088/6 Magazines and promotional literature
P0088/7 Collection of sound recordings
P0088/7A Privately recorded sound recordings
P0088/7B Commercial sound recordings.

The Hour collection is composed of 72 bound volumes of the Hour newspaper published between 1993 and 2011 and those issues published under the name Hour Community in 2011 and 2012. The bound volumes comprise almost every issue of Hour and Hour Community published between February 1993 and May 2012, with the exception of volume 2, numbers 18 to 35 (1994), which are missing from the collection. The collection also contains the prototype of Hour.