These groups rehearse regularly and perform at least once a year. They would plan operations meticulously and sometimes even rehearse it beforehand. Billy insists on joining her while the other students rehearse their monologues. Castle persuaded the leads to rehearse beforehand for free in their own time. Assigned to rehearse the Orchestra Class, he mastered the art of conducting. As such, a choral conductor needs to know how to rehearse and lead instrument sections. The actors didn't even rehearse together as usual. Forster had the actors rehearse their scenes, as he liked to film scenes continually. Ellefson was invited to rehearse with the band. The Supremes did not rehearse their performance for that evening, due to time constraints. They don't rehearse for the hours she do. During production, Reinhardt would rehearse the actors and then let Dieterle direct the film. How on earth did they rehearse these things? We couldn't rehearse without a drummer. She allowed the band to rehearse in her garage.