M&D p 172 spoiler question

[Brian D. McCary]

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Anyone have any idea about the emotional state to be invoked by
F# minor?  "Her voice affects him like music in F-sharp minor, 
drawing him to the dire promise."  I'm assuming he is in a natural
tuning, so that F# minor would be differant from, say, F minor, but 
there must be a root scale then, and I'm not sure what it would be.
Maybe one of you musicologists has run across some old writings on
the emotional content of various scales.

Plus, while I'm at it, does anyone have any info on this Quantz, 
who wrote the Etudes Slowcombe the Seahorse piper mentions on 53,
and the transcriptions Aunt Euphrenia plays on oboe as soundtrack
for the narration on 104?