This is a selected list of the longest-running musical theatre productions in history divided into two sections. The first section lists all Broadway and West End productions of musicals that have exceeded 2,500 performances, in order of greatest number of performances in either market. The second section lists, in alphabetical order, musicals that have broken historical long run records for musical theatre on Broadway, in the West End or Off-Broadway, since 1866, in alphabetical order. Legend: m = music, l = lyrics, b = book (Noteworthy trivia appear in parentheses) (5,678) = number of performances (in original Broadway production if not specified) > denotes shows that are still in production. The number of Broadway performances is updated per Playbill.com as of March 2020. The number of West End performances is updated per Britishtheatre.com as of December 2016, and sporadically as information becomes available. "Tony Award winner" denotes winner of Tony for Best Musical "Olivier Award winner" denotes winner of award for Best New Musical Longest-running musicals on Broadway and the West End The following is a list of musical theatre productions that have exceeded 2,500 performances in a single run in a Broadway or West End theatre. Other historic long runs The following is an annotated alphabetical list of other musicals that set records for long runs. Annie Get Your Gun, 1946 Broadway, 1947 London, ml Irving Berlin, b Herbert and Dorothy Fields (1,147: 1,304 in London) (Berlin wrote the songs when Jerome Kern died suddenly) The Belle of New York 1898, m Gustave Kerker, lb Hugh Morton (697 in London) (After New York run, transferred to London in 1898, where it ran for an almost unprecedented 697 performances and became the first American musical to run for over a year in London. The Black Crook, 1866, m George Bickwell and others, l by Theodore Kennick and others, and b by Charles M. Barras (474). This piece is often cited as the first long-running "musical", in that an original book was combined with songs and dancing. Its 474 performances were a record for the day. The Boy Friend, 1953 London, 1954 Broadway, mlb Sandy Wilson (2,078 in London; briefly the third longest-running musical in history, after Chu Chin Chow and Oklahoma!, until demoted by Salad Days) (Julie Andrews' American debut) Carousel, 1945 Broadway, 1950 London, m Richard Rodgers, b Oscar Hammerstein II (899) (the authors' favorite of their musicals) (one