Episode 8: Meet the Stage Manager (Keeper of the Spike Tape) by Arizona Opera published on 2021-05-24T16:06:50Z Join Cassie & Kathleen as they meet Keri Muir, Arizona Opera’s Production Stage Manager. Learn how Keri came to Arizona Opera and why the Stage Manager is such a vital and pivotal role in every theatrical production. Find out the difference between stage management tasks during rehearsals versus during performances, learn what spike tape is and discover why Stage Managers would have giant balls of it. Genre Learning