Grove Music Online

Grove Music Online and Oxford Music Online

Grove Music Online includes a large number of revisions and additions of new articles. In addition to the 29 volumes of The New Grove second edition, Grove Music Online incorporates the four-volume New Grove Dictionary of Opera (ed. Stanley Sadie, 1992) and the three-volume New Grove Dictionary of Jazz, second edition (ed. Barry Kernfeld, 2002), The Grove Dictionary of American Music and The Grove Dictionary of Musical Instruments, comprising a total of more than 50,000 articles. The current editor-in-chief of Grove Music, the name given to the complete slate of print and online resources that encompass the Grove brand, is University of Pittsburgh professor Deane Root. He assumed the editorship in 2009.