This chapter describes the job of the A2, or deck sound person, during the tech phase of a Broadway show preparation. An interview with Mary McGregor, an experienced A2 at the Metropolitan Opera, presents information on mic placement on an actor, and how to use a wig or hat to advantage. She also discusses ear clips, how to stick a mic to skin, and ways to control sweat. Illustrations show the various techniques discussed. McGregor emphasizes that maintaining sound quality is the main job of the A2. The chapter concludes with her recommended list of items to include in the A2’s RF toolkit. Keywords A2 role in musical theatre, deck sound position, ear clip, Elastoplast, Hellerman tool, mic’ing techniques, sweat-out, Tegaderm