I thought immediately of film, since film music plays such a key role in communicating the narrative by signalling emotional context. For the same dialog, a fi

I thought immediately of film, since film music plays such a key role in communicating the narrative by signalling emotional context. For the same dialog, a film can convey an entirely different plot intent purely through the accompanying music. Without the music, it takes longer to decode the dialog. With the music, even if the words are difficult to decipher the audience knows what is happening.