The ones that describe the music are funniest. Cheery music! Foreboding music! I've seen this option for a long time, I always assumed they create them as the

The ones that describe the music are funniest. Cheery music! Foreboding music! I've seen this option for a long time, I always assumed they create them as the starting point of subtitling in foreign languages. Presumably nobody is French, hard of hearing and wants to watch an English language program.