and goes within this range, with its wondrous infoldings which so charm the ear, and which symbolise so many spiritual mysteries. These twelve major keys with their twelve minors are the musical world, and motion in the operation of 3 is not much hampered by rest controlling it in the operation of 2; and what is lost of so-called "perfect intonation" is far more than made up for in the beautiful system within system, which musical science, when fairly and fully brought into view, presents for our contemplation, and the intellect feasts along with the ear.

DEFINITIONS.

GRAVITY - The downward effect, to the ear, of a sound in a key.
LEVITY - The upward effect, to the ear, of a sound in a key.
PROXIMITY - The nearness of two notes to each other in small intervals.
RESOLUTION - The tendency and going of a note of one chord to some note of the next chord.
CHROMATIC - A name given to the semitonic intervals.