I don't care if you're the personnel manager and have played in this orchestra for like 30 years and have a nasty temper. I want you to know you should NOT be doing origami with cellophane or whatevertheheck you were doing in the middle of a RECITATIVE*! That's just rude and annoying, Mr. Cruddy Unprofessional Trombonist. Also, you are often out of tune. Pblttlbltlobltltltltlt!
*the super-quietest part of an opera, where all the strings try to whisper notes together and of exactly matching lengths while a singer does solo vocal gymnastics, and the conductor's eyes bug out a little while sweat runs past them onto his harpsichord.