A woman with synesthesia described what it's like to taste different musical chords. Professor Funk, who is not a synesthete, tries to recreate the sensation using the Imperial March from Star Wars. -via Of Two Minds
Water has a flavor and an odor all its own, even if it's pure H2O. Most humans don't notice it, but it's there. Dogs can smell it from miles away, as anyone with Labrador retrievers knows. I myself can home in on water sources in unfamiliar buildings by smell alone. If I locate a drinking fountain instead of the bathroom, it's only because it's another water outlet.
That must be some foul tap water he's using.
It would suck if she had to teach and perform a really bad tasting song.