is a professional theatre company in 42nd Street Moon San Francisco, California. The company specializes in the preservation and presentation of early and lesser-known works  by  Rodgers & Hammerstein, Rodgers & Hart, Cole Porter, Irving Berlin, Kurt Weill, George and Ira Gershwin, Jerome Kern, Jerry Bock, Sheldon Harnick, Kander and Ebb, Jule Styne and Comden and Green. In recent years, the company has branched out to include more contemporary works that continue the spirit of the classic American Musical.
is the education branch of the professional company, offering high-level theatre training for children, teens, and adults.
MoonSchool at 42nd Street Moon
The company was founded by Greg MacKellan and Stephanie Rhoads in 1993.
It has presented the American premiere of musical scores by Jerome Kern (  Three Sisters and The Cabaret Girl) and Johnny Mercer ( The Good Companions). 42nd Street Moon also produced the first American revivals of Rodgers & Hart's 1926 musical and André Previn's Peggy-Ann . For its first 15 seasons, the company presented its productions as staged concerts. Coco In 2008, it began to produce "fully staged" musicals, with costumes and choreography.  For example, the production of  Strike Up the Band in 2011 had choreography by Alex Hsu and costumes reviewed as "to-die-for 1920s attire" by Scarlett Kellum. 
Two of 42nd Street Moon's productions have been recorded as
Cast albums: Cole Porter's and Something for the Boys . Both represent the first full English language records for either of these two musicals, with Leave it to Me Leave It to Me being sponsored in part by the National Endowment for the Arts. Videos of most of 42nd Street Moon's productions are available for viewing at the Museum of Performance & Design in San Francisco. Artistic Director MacKellan has led developed several musical salons, each dedicated to exploring and celebrating the work of some of Broadway's greatest songwriters. In 2013, was performed, in celebration of Once In Love With Loesser Frank Loesser and built around the three stages of his career: as a Tin Pan Alley lyricist, then working in Hollywood, and finally as a Broadway songwriter. 
Notable actors and actress who have worked with 42nd Street Moon include:
Darren Criss ( Fanny - 1997, Do I Hear a Waltz - 1998, Babes in Arms - 1999); Andrea Marcovicci ( On a Clear Day - 1999, Coco - 2007-08); Ann Morrison ( Can-Can - 2004-05); Lea DeLaria ( Once Upon a Mattress - 2004-05); Klea Blackhurst ( Red Hot and Blue - 2005-06, Call Me Madam - 2009-10); and Jason Graae ( Little Me - 2012-13).  Brent Barrett, Leslie Caron, Emily Skinner, Cady Huffman, Rebecca Luker, Andrea McArdle, Donna McKechnie, Marni Nixon, Charles Strouse, and Karen Ziemba have also performed in concerts or galas with the company.
In 2016, Daren A.C. Carollo and Daniel Thomas were appointed Co-Executive Directors of 42nd Street Moon.
Anne Norland was named Director of Education for MoonSchool.
; Jubilee ; One Touch of Venus ; Oh, Lady! Lady!! ; Fifty Million Frenchmen ; Sweet Adeline DuBarry Was a Lady 1994:
Peggy-Ann; ; The Cat and the Fiddle ; Hollywood Pinafore Something for the Boys; ; Darling of the Day As Thousands Cheer 1995:
; A Connecticut Yankee ; Pipe Dream ; America's Sweethearts ; Very Warm for May ; I Married an Angel ; The Great Revues (revue); Once in a Blue Moon (revue); Nobody's Heart (Rodgers & Hart revue); The Song is You (Oscar Hammerstein, II revue) Three Sisters 1996:
; Silk Stockings ; Dearest Enemy ; Goodtime Charley ; The Night Boat ; Roberta ; Love and Nuts and Noodles (revue); Something Sort of Grandish (Yip Harburg revue) Lady, Be Good! 1997:
; Face the Music ; Louisiana Purchase ; High Spirits ; Fanny ; Jubilee; I'd Like to Hide It (revue) Something for the Boys 1998:
; Do I Hear a Waltz? ; Girl Crazy ; Redhead ; A Tree Grows in Brooklyn ; Nymph Errant ; Fabulous Flops (revue) Call Me Madam 1999:
; Fiorello! ; Sitting Pretty ; On a Clear Day ; Let's Face It! ; The Grass Harp ; A Century of Musicals (revue) Babes in Arms 2000:
; Funny Face ; Out of This World ; The Good Companions ; Dear World I Married an Angel; Jazz Up Your Lingerie! (revue) 2001:
; It's a Bird, It's a Plane, It's Superman! The Cat and the Fiddle; ; Do Re Mi ; Goldilocks ; Guess What's Under My Umbrella (revue) Leave It to Me! 2002:
; By Jupiter  Pipe Dream; A Connecticut Yankee; Peggy-Ann; Too Many Girls 2003:
; Paint Your Wagon Roberta; ; Finian's Rainbow ; Oh Captain! Fifty Million Frenchman; 2004/05:
; Gentlemen Prefer Blondes ; The Cabaret Girl ; Can-Can ; Hooray for What! ; Once Upon a Mattress ; Minnie's Boys The Boys from Syracuse 2005/06:
; Red Hot and Blue! ; Miss Liberty ; The Roar of the Greasepaint ; The Golden Apple Mack & Mabel 2006/07:
; Li'l Abner ; Pardon My English ; Flora the Red Menace ; Plain and Fancy Gay Divorce 2007/08:
; One Touch of Venus Oh, Lady! Lady!!; The Student Gypsy or "The Prince of Liederkranz"; ; Peddling Rainbows (Harburg revue); Coco Out of This World 2008/09:
; Irma La Douce Girl Crazy; ; Ben Franklin in Paris ; High Spirits ; Wildcat! 2009/10:
Call Me Madam; ; I Feel a Song Coming On; Destry Rides Again Jubilee; Nice Work If You Can Get It; Lady, Be Good!; Very Warm for May; Everything The Traffic Will Allow: The Songs and Sass of Ethel Merman 2010/11:
; Once in a Million Moons; A Funny Thing Happened On the Way to the Forum ; Murder for Two: A Killer Musical Babes in Arms, And All That Jazz; ; Strike Up the Band Silk Stockings   2011/12:
Nymph Errant; ; Oh, Kay! ; Three Sisters ; Sugar Zorba 2012/13:
; Of Thee I Sing ; Carmelina ; Pal Joey ; Carnival! Little Me 2013/14:
; It's a Bird...It's a Plane...It's Superman I Married an Angel; ; Snoopy!!! ; Painting the Clouds with Sunshine DuBarry Was a Lady 2014/15:
; Do I Hear a Waltz? ; The Boy Friend ; Something for the Boys ; Nick and Nora Where's Charley? 2015/16:
; Sail Away ; Scrooge in Love! ; The Boys from Syracuse The Most Happy Fella 2016/17:
; Baker Street ; Scrooge in Love! ; New Girl in Town No No Nanette 2017/18:
; Ain't Misbehavin ; The Secret Garden ; Saturday Night Me and My Girl 2018/19:
, The Best Little Whorehouse in Texas , Dames at Sea
Fiorello!, 110 in the Shade, Once, The Oldest Living Cater Waiter 2019/20: and Titanic (in Concert), Hot Mikado, Scrooge in Love!, A Gentleman's Guide to Love and Murder, The Pajama Game, Merrily We Roll Along (The 1981 Musical) presented in repertory as part of the Merrily We Roll Along (The 1934 Play) Back to Back Series and The Sondheim Sweep
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" Student Gypsy - A Charming Find" Archived 2012-10-16 at the Wayback Machine. Sfbaytimes.com, April 3, 2008
"History" Archived 2011-07-26 at the Wayback Machine 42ndstmoon.org, accessed August 8, 2011
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"All's fair in war and cheese in Strike Up the Band" Archived 2012-06-17 at the Wayback Machine. San Francisco Examiner, April 13, 2011
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Heymont, George (3 July 2013). "The Right Girl in the Right Place at the Right Time". Huffington Post . Retrieved 2016.
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"42nd Street Moon Presents Rodgers and Hart's 'By Jupiter'". Talkinbroadway.com, April 26, 2002
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"42nd Street Moon Announces Casting for 'Silk Stockings' theatermania.com, April 1, 2011
^ Peter, Thomas.
42nd Street Moon's 2010-2011 Season to Include Forum, Murder for Two, Babes in Arms and More" Archived 2012-10-21 at the Wayback Machine playbill.com, March 3, 2010