Unintended Audiences

Sometimes we have unintended audiences.  It might be a group of people we didn’t realize would be interested in what we’re performing.  Or it might be a group that also benefits from your performances (say, the kids in the basketball league who hear you rehearsing every Thursday at the church).  Sometimes, the musicians themselves might be an unintended audiences. (Think about the winds packing up as the strings rehearse Barber’s “Adagio.”) Regardless of the situation, you probably have people watching--people you didn’t think would watch (for whatever reason).  If those outside of the core group are, in fact, watching and listening, what should you do differently?