It is common to talk of "the language of mathematics". But is mathematics really a language? Some mathematics is said to involve "non-verbal" thinking involving a form of mental activity that goes beyond anything in the domain of a spoken or written language. It could be that, at such times, mathematical thought has direct access to a form of thinking that is deeper and more primitive than anything available in any natural language.
Paul McCartney's "self-directed video" for his new song, 'My Valentine'. The black & white video features Natalie Portman and Johnny Depp "each translating the lyrics of the song into sign language…"