It produces a low tone and is usually played sitting down.

The tool changes the air pressure inside the ear and produces a clear tone.

A special club was used in the most important events and produced a distinctive high pitched tone.

The albumen process, first used more than 150 years ago, produces brown tones.

The left speaker suddenly begins to produce a sharp pure tone.

This produces a much higher pitched tone than other talking drums of the same construction.

A wider, slower air stream is needed to produce a solid tone.

Some contact with the finger nail helps to produce a crisp and clear tone.

Older pianos are often more settled and produce a warmer tone.

It was discovered that a dented section of barrel head could produce a tone.