A loop pedal is a device used by musicians to record and play back sounds in real-time. It allows performers to layer multiple audio tracks, creating a fuller sound without needing additional musicians. Loop pedals are popular among solo artists, enabling them to build complex arrangements using just their voice or instrument. Typically, loop pedals feature footswitches for easy control, allowing musicians to start, stop, and overdub recordings hands-free. They can be used with various instruments, including guitars, keyboards, and even vocals. Many loop pedals also offer effects and features for enhanced creativity, making them versatile tools for live performances and songwriting.