One source of amusement is closed captions written by people who don't know the subject matter of the (documentary, in this case) that they're captioning. (This is also why I declined the request to index a book on a subject I wasn't familiar with.)
Veteran orchestral player, elderly and perhaps a bit less than announcer-crisp, but quite intelligible if you know what he's saying, is talking about great conductors under whom he's played. And one of those names appears at the bottom of the screen as:
Care to guess who that is? It's perfectly obvious in the audio if you know it.
An even worse transcription is "Malcolm [mumbling]," which is quite intelligible as Malcolm Sargent.