In an earlier post I covered the essentials for keeping your brass instrument in good working order. This post will cover the importance of keeping the outer service of your instrument in good shape. Whether you have a silver or gold plated instrument or a lacquered or even bare brass surface, it is important to protect the outside from damage and wear. Bare brass instruments Instruments without plating or lacquer will eventually turn ugly. The reason that bare brass changes with time is the fact that the brass, when exposed to the air over a given period will tarnish and…