Grove Music Online

Grove Music Online (The New Grove Dictionary of Music and Musicians, The New Grove Dictionary of Opera, The New Grove Dictionary of Jazz)
Coverage: Second edition.
Description: The authoritative standard for English-language music dictionaries, covering all aspects of music, including biographies, definitions of terms, musical examples, lists of works, links to sounds, etc. Includes The New Grove Dictionary of Opera and The New Grove Dictionary of Jazz, as well as The Oxford Companion to Music (2002) and The Oxford Dictionary of Music, 2d ed, revised (2006).
Access: Limited to authorized UM users (through validated sign-on).