A metronome is a device that produces a steady beat or pulse, helping musicians keep time while practicing or performing. It can be mechanical or electronic, and it typically allows users to set a specific tempo measured in beats per minute (BPM). This tool is essential for developing rhythm and timing skills in music. Metronomes come in various forms, including mechanical metronomes with swinging pendulums and digital metronomes that offer additional features like different sound options and visual cues. Many musicians, from beginners to professionals, use metronomes to improve their timing and precision in playing instruments such as the piano or guitar.