And now we leave the field of the material anal-
•ogies, respecting the perception and production of
the beautiful in Space and Time, to enter into that
of (what may be termed) the spiritual analogies.
Those of production I shall class under Internal Gov-
ernment, those of perception under States of Mind.
78 WHAT IS MUSIC?

IT.
INTERNAL GOVEENMENT.
Seveeal of tlie great forces which we see mani-
fested in visible Nature have their counterparts in
audible Ifature, and prime among these are the
forces of gravity and attraction and the centrifu-
gal force. I am not aware that any writer has ever
had the boldness to make this assertion in so
positive a manner, but certainly the influence of
the first over music has been instinctively felt in
all times and among all nations, while that of the
last two was discovered as soon as it could have
been, namely, in the first stages of the development
of the science of harmony.
The cenl/re of gra/oity of the musical scale is the
tonic. The whole history of music tends to confirm
this in an unequivocal manner. I have before
me, as I write, a volume of August Wilhelm Am-
bros, wherein I find scraps of melodies from the.
