The New Grove Dictionary of Music and Musicians

The New Grove Dictionary of Music and Musicians is an encyclopaedic dictionary of music and musicians. Along with the German-language Die Musik in Geschichte und Gegenwart, it is one of the largest reference works on the history and theory of music. Earlier editions were published under the titles A Dictionary of Music and Musicians, and Grove's Dictionary of Music and Musicians; the work has gone through several editions since the 19th century and is widely used. In recent years it has been made available as an electronic resource called Grove Music Online, which has become an important part of Oxford Music Online.

A Dictionary of Music and Musicians was first published in London by Macmillan and Co. in four volumes (1879, 1880, 1883, 1889) edited by George Grove with an Appendix edited by J. A. Fuller Maitland in the fourth volume. An Index edited by Mrs. E. Wodehouse was issued as a separate volume in 1890. In 1900, minor corrections were made to the plates and the entire series was reissued in four volumes, with the index added to volume 4. The original edition and the reprint are now freely available online. Grove limited the chronological span of his work to begin at 1450 while continuing up to his time.

The second edition (Grove II), in five volumes, was edited by Fuller Maitland and published from 1904 to 1910, this time as Grove's Dictionary of Music and Musicians. The individual volumes of the second edition were reprinted many times. An American Supplement edited by Waldo Selden Pratt and Charles N. Boyd was published in 1920 in Philadelphia by Theodore Presser. This edition removed the first edition's beginning date of 1450, though important earlier composers and theorists are still missing from this edition. These volumes are also now freely available online.

The third edition (Grove III), also in five volumes, was an extensive revision of the 2nd edition; it was edited by H. C. Colles and published in 1927. The 3rd edition was reprinted several times. An American Supplement was published in the US in 1927, and also later reprinted separately.

An extra-large Supplementary Volume also edited by Colles was published in 1940 and called the fourth edition (Grove IV). A reprint of the 3rd edition with some corrections, was released at the same time. The five-volume 3rd edition, with the Supplementary Volume as volume 6, and the American Supplement of the 3rd edition as volume 7, were reprinted together as a set in 1945.

The fifth edition (Grove V), in nine volumes, was edited by Eric Blom and published in 1954. This was the most thoroughgoing revision of the work since its inception, with many articles rewritten in a more modern style and a large number of entirely new articles. Many of the articles were written by Blom personally, or translated by him. An additional Supplementary Volume prepared by Eric Blom and completed by Denis Stevens after Blom's death in 1959, was issued in 1961. The fifth edition was reprinted in 1966, 1968, 1970, 1973, and 1975, each time with numerous corrections, updates, and other small changes.

The next edition was published in 1980 under the name The New Grove Dictionary of Music and Musicians and was greatly expanded to 20 volumes with 22,500 articles and 16,500 biographies. Its senior editor was Stanley Sadie with Nigel Fortune also serving as one of the main editors for the publication.

It was reprinted with minor corrections each subsequent year until 1995, except 1982 and 1983. In the mid-1990s, the hardback set sold for about $2,300. A paperback edition was reprinted in 1995 which sold for $500.