An MRI cross-section of someone’s mouth and throat while singing “If I Only Had a Brain.” According to the description, this is a new MRI technique that scans at the rate of 100 frames per second rather than the typical rate of 10 frames per second, which gives you this really nice and detailed video.

Things to look for: the lips closing for bilabial sounds, such as the /b/ in “brain”, the velum opening for nasal sounds (at the top of the throat, leading into the nasal cavity), such as the /n/ in “brain” (although it actually opens slightly before the /n/, because vowels nasalize before a nasal consonant in English).