Possible Clues:

• Reduced upfront price for work
• After performance on stage take note for work
• At first put on in the theatre to work in the theatre
• It starts in the theatre. One can do it all in the theatre
• Control, run, a mcahine say
• Work in the theatre - for music, to start with
• Work on a musical drama of note
• Cause to function
• Music starts to work in the theatre
• Do surgery (on)