It had been a tradition for the musicians to stand on the stage throughout their concerts, until the press noted that “aside from being uncomfortable to them, this looks bad and impressed the spectators uncomfortably.” By 1853 the musicians finally sat down, and were not asked to serve as ushers either, a custom which dissolved that same year, when paid ushers were employed.

I read this on a sample page for the book More than Meets the Ear: How Symphony Musicians Made Labor History

Perhaps I’ve found another book I’ll have to add to my reading list. Someday.