Communication via speech can be subject to some strange quirks, as shown by the Speech-to-Song Illusion. If you listen to the phrase ‘sometimes behave so strangely’ on a loop, after a number of repetitions the phrase will start to sound sung rather than spoken 🎵 This suggests that the brain mechanisms underlying the perception of speech and song are closely linked, and can accept the same input, but process the information in different ways to produce different outputs 🧠 | Royal Institution of

This audio illusion is an example of synesthesia. It's when senses like hearing and sight get crossed in the brain. | Dose