Grove Music Online is the most important English language resource of its kind. Articles are written by scholarly experts in their fields. A large collection of music reference information, encompassing The New Grove Dictionary of Music and Musicians, The New Grove Dictionary of Opera, and The New Grove Dictionary of Jazz, as well as numerous subsequent updates and emendations. Grove is a part of Oxford Music Online; this resource includes The Oxford Companion to Music, The Oxford Dictionary of Music, and The Encyclopedia of Popular Music. Articles are included from newer editions of the The Grove Dictionary of American Music and The Grove Dictionary of Musical Instruments.