String maintenance refers to the regular care and upkeep of stringed instruments, such as guitars, violins, and cellos. This process includes cleaning the strings to remove dirt and oils, which can affect sound quality and playability. Additionally, it involves checking for wear and tear, as old or damaged strings can break or produce poor sound. Proper string maintenance also includes tuning the instrument regularly to ensure it produces the correct pitch. Musicians should replace strings periodically, as they lose their elasticity and tone over time. By maintaining strings, players can enhance their instrument's performance and longevity.