Maintaining brass instruments is essential for ensuring their longevity and optimal performance. Regular cleaning helps remove dirt, oil, and moisture that can accumulate over time. Players should use a soft cloth to wipe down the exterior and a cleaning snake or brush for the interior tubing. Additionally, lubricating moving parts, such as valves and slides, is crucial. Using appropriate oils and greases prevents wear and tear, allowing for smooth operation. Regular maintenance checks can help identify any issues early, ensuring that the instrument remains in good playing condition.