A piano technician is a skilled professional who specializes in the maintenance, tuning, and repair of pianos. They ensure that the instrument produces the best sound possible by adjusting its internal components, such as strings, hammers, and action mechanisms. Regular tuning is essential for keeping a piano in optimal condition, as environmental factors can affect its pitch. In addition to tuning, piano technicians may also perform more extensive repairs, such as fixing broken parts or restoring old pianos. They often work with various types of pianos, including grand pianos and upright pianos, and may provide services for both private owners and institutions like schools or concert halls.