When you arrive at the Brass Fortress you meet a couple of factotums called "Auditory Stimulators" that are playing the lute and flute. Well, trying, because they utterly fail at it

BUT WHY? First reason that came to my mind is "Right, Sotha is the logical one, he doesn't care about music". I kept thinking though. Music is also logical. Surely the factotums can read a partiture? Then the person I was playing with said "Is Sotha making fun of Vivec".
Which is my new favorite explanation now. Specially after reading this loading screen: