The long rehearsal
Forty preview performances and up. Merlin, Legs Diamond, The Capeman, Spider-Man. The preview period is where a musical is rewritten, and a very long one is a public record of panic.
40 productions in the catalogue.
| 1969 | A Teaspoon Every Four HoursBroadway Anta Playhouse | 1 perf. |
| 1971 | Four on a GardenBroadway Broadhurst Theatre | 57 perf. |
| 1973 | MollyBroadway Alvin Theatre | 68 perf. |
| 1974 | An American MillionaireBroadway Circle In The Square Theatre | 20 perf. |
| 1974 | Good News!Broadway St James Theatre | 16 perf. |
| 1975 | BoccaccioBroadway Edison Theatre | 7 perf. |
| 1975 | Doctor JazzBroadway Winter Garden Theatre | 5 perf. |
| 1975 | The Leaf PeopleBroadway Booth Theatre | 8 perf. |
| 1977 | HairBroadway Biltmore Theatre | 43 perf. |
| 1982 | Is there life after high school?Broadway Ethel Barrymore Theatre | 12 perf. |
| 1983 | MerlinBroadway Mark Hellinger Theatre | 199 perf. |
| 1985 | Leader of the PackBroadway Ambassador Theatre | 120 perf. |
| 1988 | Legs DiamondBroadway Mark Hellinger Theatre | 64 perf. |
| 1989 | Sweeney ToddBroadway Circle In The Square Theatre | 188 perf. |
| 1993 | She Loves MeBroadway Criterion Center Stage Right | 354 perf. |
| 1993 | A Grand Night for SingingBroadway Criterion Center Stage Right | 52 perf. |
| 1995 | CompanyBroadway Criterion Center Stage Right | 68 perf. |
| 1996 | Inherit the WindBroadway Royale Theatre | 45 perf. |
| 1998 | The CapemanBroadway Marquis Theatre | 68 perf. |
| 1998 | Little MeBroadway Criterion Center Stage Right | 99 perf. |
| 1999 | Night Must FallBroadway Lyceum Theatre | 119 perf. |
| 2001 | SexaholixBroadway Royale Theatre | 67 perf. |
| 2001 | Judgment at NurembergBroadway Longacre Theatre | 56 perf. |
| 2003 | Little Shop of HorrorsBroadway Virginia Theatre | 372 perf. |
| 2003 | TartuffeBroadway American Airlines Theatre | 53 perf. |
| 2004 | After The FallBroadway American Airlines Theatre | 53 perf. |
| 2005 | Good VibrationsBroadway Eugene Oneill Theatre | 94 perf. |
| 2005 | LennonBroadway Broadhurst Theatre | 49 perf. |
| 2006 | The Pajama GameBroadway American Airlines Theatre | 129 perf. |
| 2009 | After Miss JulieBroadway American Airlines Theatre | 53 perf. |
| 2009 | Bye Bye BirdieBroadway Henry Millers Theatre | 117 perf. |
| 2010 | Time Stands StillBroadway Samuel J Friedman Theatre | 193 perf. |
| 2012 | Glengarry Glen RossBroadway Gerald Schoenfeld Theatre | 45 perf. |
| 2014 | It's Only a PlayBroadway Gerald Schoenfeld Theatre | 274 perf. |
| 2015 | China DollBroadway Gerald Schoenfeld Theatre | 54 perf. |
| 2018 | To Kill a MockingbirdBroadway Shubert Theatre | 626 perf. |
| 2019 | Gary: A Sequel to Titus AndronicusBroadway Booth Theatre | 65 perf. |
| 2019 | The InheritanceBroadway Ethel Barrymore Theatre | 132 perf. |
| 2022 | KPOPBroadway Circle In The Square Theatre | 17 perf. |
| 2023 | Once Upon a One More TimeBroadway Marquis Theatre | 83 perf. |