Flutes are aerophones. An aerophone (/ËÉÉroÊfoÊn/) is any musical instrument that produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound. Aerophones categorically comprise the largest and most complex group of instruments in the Americas.
The last ten miles of Peters Mountain is wholly within Alleghany County, Virginia. The elevation varies from 3,000 to 4,000 feet, with the highest point, near Zenith, reaching 4,050 feet. Peters Mountain, long a barrier to transportation, is crossed only by State Route 311 and the old Salt Sulphur Turnpike.
North End of Stone Mountain. [Fig. 12] South of Norton, on either side of the Wise and Scott county lines, Stone Mountain surges to a height of almost 4,200 feet at High Knobâthe highest point of Virginia's Appalachian Plateauâbefore plunging toward the Clinch River to disappear in the earth at the edge of the Valley and Ridge province.