The tone clock, and its related compositional theory tone-clock theory, is a post-tonal music composition technique, developed by composers Peter Schat...

clock is a clock that sounds the hours audibly on a bell, gong, or other audible device. In 12-hour striking, used most commonly in striking clocks today...

admirer of, and was greatly influenced by, the music of Messiaen. Her Seven Tone Clock Pieces were first performed by the New Zealand pianist Jeffrey Grice....

tone" suggests otherwise). The time is announced in 10 second intervals using the voice of radio host Angelika Lang. Before 2009, the speaking clock was...

is the nickname for the Great Bell of the Great Clock of Westminster, and by extension for the clock tower itself, which stands at the north end of the...

alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to...

The Prague astronomical clock or Prague Orloj (Czech: Pražský orloj [praʃskiː orloj]) is a medieval astronomical clock attached to the Old Town Hall in...

put the notes into a clock and rearranged them to be used that are side by side or consecutive He called his method "Twelve-Tone in Fragmented Rows."...

A repeater is a complication in a mechanical watch or clock that chimes the hours and often minutes at the press of a button. There are many types of...

Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates...