Reference sources provide background information, an overview of a topic, specialized vocabulary and terminology, and critical concepts. They're often a great starting point. The Library has reference materials both online and in print.
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Ryan Library has several subject encyclopedias on the general topic of Music found in the Reference Area on the Main Floor of Ryan Library:
Encyclopedia of the Musical Theatre
Musical Terminology: A Practical Compendium in Four Languages
The New Grove Dictionary of Music and Musicians
Baker's Biographical Dictionary of Musicians by 
Baker's Biographical Dictionary of 20th Century Classical Music by 
