If you can't find the book you are looking for please check the collection of other institutions around Canada on WorldCat.org. UCalgary Library is providing an InterLibrary Loan Service for faculty, students and staff. It is free and usually takes not longer then a couple of days until the pdf-document or book arrives.
With over 60,000 articles written by over 6,000 music scholars, Grove Music Online is an authoritative resource for music research with an ongoing mission to chart the diverse history and cultures of music and musicians from around the globe.
The Garland Encyclopedia of World Music is a comprehensive online resource devoted to music research of all the world’s peoples. More than 9,000 pages of material and 300 audio recordings, combined with entries by more than 700 expert contributors from all over the world,
The Classical Music Reference Library includes essential reference materials, spanning the entire history of Western classical music. Included are the authoritative reference titles Baker's Dictionary of Music, Baker's Biographical Dictionary of Musicians, and Baker's Student Encyclopedia of Music.
Index to Printed Music (IPM) provides over 532,000 records of individual music works. Specialized search limiters allow to search by genre (e.g., anthem, aria, ballad, chant), language of text, and year published. A separate collection authority link makes it possible to search for titles of music collections as well as individual compositions.