 The music on mechanical clocks is typically played from a spiked cylinder on bells, organ pipes, or bellows.On electric clocks such as quartz clocks, the music is usually generated using an electronic sound module; Seiko and Rhythm Clock are known for their battery-powered musical clocks, which frequently feature flashing lights, automatons and other moving parts designed to attract attention while in motion.One of the earliest known domestic musical clocks was constructed by Nicholas Vallin in 1598, and it currently resides in the British Museum in London.