in rehearsal

in rehearsal

1. In the act of rehearsing for something, typically a performance of some kind (such as a play). The director is in rehearsal right now, but I can give him a message.
2. Being developed through rehearsals, as of a performance that is not yet ready to be performed for an audience. That play has been in rehearsal for months and months—will it ever be seen by an audience?
Farlex Dictionary of Idioms.

in rehearsal

a stage of development in the production of a play, opera, or concert, involving many rehearsals. The play is in rehearsal now and will open next month. While the opera was still in rehearsal, the star developed a hatred for the director.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a trial run
  • trial run
  • rehearse
  • rehearse for
  • rehearse for (something)
  • any (one) worth (one's) salt
  • listen in
  • listen in (on someone or something)
  • keel over
  • have the bug
References in classic literature
He never peeped in rehearsal. How was I to know he was going to yap when we arranged the set behind you?"
She said rehearsal of concert was going on in the studio while 10 to 11 people were present in rehearsal.
I've been in rehearsal halls uptown and down and backstage in theaters from coast to coast.
Although the later completion date and bigger scale of Rehearsal I would seem to make it the most successful or accomplished outcome (of, paradoxically, representing the failure to succeed), the simultaneous presentation of multiple iterations of this project in archival notes and drawings, in Maquette, and again in Rehearsal I, foreground how, in Alys's practice, what looks to be the final work is likely only one moment, one take, undercutting a unidirectional and developmental understanding of the artist's production.
Rehearsal is only one, albeit important, factor in where these plays come from, but they escape any restrictive historical grounding, in rehearsal or elsewhere.
Chapter 2, "What is Rehearsal?" draws largely on Susan Letzler Cole's 1992 study, Directors in Rehearsal. Following Cole's lead, Baker-White defines rehearsal as a "controlled form of chaos" (23) that is both progressive and heuristic.
And I did my rewrite there in rehearsal, which didn't allow me to lay back off the material and do patchwork.
Rehearsal condition (two levels in rehearsal and three levels in testing) was the independent factor.
Directors in Rehearsal serves as a stimulus to further investigation for all those fascinated by the "hidden world" of rehearsal process.
The piece in rehearsal is Mozart's Requiem, and will be sung at the first concert of the season on Friday November 3 in Huddersfield Town Hall.
In contrast to the themes of temporality and recursion in Rehearsal I, Alys's exhibition in Wolfsburg, essentially a midcareer survey, had a distinctly spatial emphasis.
Members of SFB in rehearsal: Garrett Anderson Joan Boada Pascal Molat Pablo Piantino Yuan Yuan Tan Pierre-Francios Vilanoba
When the company is at home in rehearsal McDermott puts in more of a traditional forty-hour workweek.
The new three-year contract calls for a 3.7 percent increase to the base wage, with 3.5 percent increases in each of the next two years, plus "significant increases in rehearsal pay." The new personal attendance minimums require each player to attend at least 75 percent of rehearsals and 70 percent of performances.
He demonstrated the way Balanchine would stand calmly in rehearsal with his hands folded, looking down, before producing a long passage of choreography.