It can be very music-specific. Look at this video of a former ballerina with very obviously advanced cognitive decline--the only thing she still remembers is he

It can be very music-specific. Look at this video of a former ballerina with very obviously advanced cognitive decline--the only thing she still remembers is her exact routine, when she hears the music: https://www.youtube.com/watch?v=IT_tW3EVDK8 https://www.youtube.com/watch?v=IT_tW3EVDK8