A musical instrument is an object created or adapted to produce sound. Instruments can be classified into various categories, including string instruments, wind instruments, and percussion instruments. Each type has its own unique way of generating sound, whether through vibrating strings, moving air, or striking surfaces. Musical instruments are used in many cultures around the world for entertainment, communication, and artistic expression. They can be played solo or in groups, often forming ensembles like orchestras or bands. Learning to play an instrument can enhance cognitive skills and foster creativity in individuals of all ages.