Grove Music Online is the leading online resource for music research, a comprehensive compendium of music scholarship drawing from the full texts of The New Grove Dictionary of Music and Musicians, 2nd edition, The New Grove Dictionary of Opera, and The New Grove Dictionary of Jazz, 2nd edition, and also includes new and updated articles and bibliographies exclusively available online. Grove Music Online is a living resource, with scholars and specialists from around the world continually reviewing and updating existing content and contributing new articles. In addition to the vast number of entries on music history and culture, Grove Music features a host of exceptional learning resources such as timelines and subject guides that organize content for use in the classroom, making Grove Music an essential resource for scholars and students alike.

Subscriptions to Grove Music Online also include access to The Oxford Companion to Music and The Oxford Dictionary of Music, 2nd edition, which supplement Grove's more in-depth coverage with content geared toward undergraduates and general users.