Final answer:
The question seems to pertain to a narrative scene where a character named Twyla interacts with the Jazzagals during a rehearsal, a scenario typically found in the arts, such as drama or literature. Unfortunately, the provided context does not include the specific information needed to answer the question accurately.
Step-by-step explanation:
The context of this question appears to be related to a scene from a play, script, or a character interaction within a story. Given the mention of Twyla and rehearsals, this question likely refers to a narrative involving characters and their interactions, which often falls under the Arts category. However, since the provided reference does not contain information about what Twyla tells the Jazzagals at their regular rehearsal, it is not possible to provide an accurate and factual answer.