Series consists of programs and recordings for eleven events organized by the Schulich School of Music during the 2008-2009 concert season including by the McGill Wind Symphony, the McGill Symphony Orchestra, Opera McGill, the McGill Chamber Singers, McGill Chamber Music Ensembles, the McGill Baroque Orchestra, and the McGill Jazz Orchestra I, and in the context of the McGill Classical Concerto Competition.

The Miscellaneous Series contains a collection of items that distinguish themselves from the other series. These include copies of literary works, documents, stamps, advertisements, and the artifacts of Bergiana pertaining to the Lyric Suite. Items are arranged topically.

The photographs in this series cover the several stages of the organ-building process. This series includes both colour and black-and-white images of the construction of a given organ at Wolff’s atelier, the installation of the organ, as well as concerts, dedications, and social events at or around the time of the organ’s installation.

This series contains French language reports prepared by the Ministère des Affaires culturelles du Québec, Direction régionale de Montréal, Direction du Patrimoine, by various authors. Each report is typescript and contains black and white photographs.

This series contains various temperament specifications.

This series contains various guides, rules and objects presumably used in the Wolff & Associés workshop.

This series contains print copies of published monographs of various languages. The works are lists in the bibliography in Appendix 3: Book Collection Bibliography.

The Concerts & Competitions Series contains programs, correspondence and reviews for performances of Schloss’s compositions. Items are arranged by date of event.

This series consists of original and copies of newspaper and newsletter articles describing Sonde events and performances.

This series consists of published works by Sonde.