A musical clock is a clock that marks the hours of the day with a musical tune. They can be considered elaborate versions of striking or chiming clocks. … 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. Today the most popular musical clocks are made by the Rhythm clock company. Rhythm today proudly asserts itself as the World’s largest clock manufacturer and its products are currently available in approximately 90 countries globally.