The effect of soft music is to produce pleasure or pain, according to
the state of the hearer. Thus, while a musician has been known to be
_cured_ by a concert in his chamber, the celebrated sentimental air of
the "_Ranz des Vaches_" has also been known to have the opposite effect
of _killing_ a Swiss. Indeed, the extraordinary effect produced by it
upon Swiss troops has caused it to be forbidden, under _pain of death_,
to be played to them.
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