Quote from the book "Музыкофилия"

Gian Beeli, Michaela Esslen, and Lutz Jäncke, researchers in Zurich, have described a professional musician with both music-color and music-taste synesthesia: “Whenever she hears a specific musical interval, she automatically experiences a taste on her tongue that is consistently linked to that musical interval.” In a 2005 article in Nature, they detailed her associations:Minor second - Sour;