A metronome (from Ancient Greek μέτρον (métron) ‘measure’, and νομός (nomós) ‘custom, melody’) is a device that produces an audible click or other sound at a regular interval that can be set by the user, typically in beats per minute (BPM). Musicians use the device to practise playing to a regular pulse. Musicians practise with metronomes to improve their timing, especially the ability to stick to a regular tempo. A traditional metronome works by clockwork. It has a pendulum which makes a loud tick as it goes to and fro, like the pendulum of a grandfather clock. It has to be wound up after a few minutes of ticking. There is a weight on the pendulum which can be slid up or down and set to a particular speed. There are numbers on the metronome to which you can set it. These numbers mean the number of ticks per minutes. A speed of 60 will make it tick 60 times a minute (i.e. every second). The numbers usually go from 40 (slow) to 208 (very fast). Nowadays many people use electronic metronomes. 4K Resolution.