Musical instruments and structural parts therefor; musical instruments and structural parts therefor with treatments, features or components that enhance sonic quality and playability; musical instruments and structural inserts therefor to enhance sonic quality and playability; musical instruments and structural parts therefor treated to enhance sonic quality and playability; brass structural parts in the nature of inserts for musical instruments to enhance sonic quality and playability; acce...

Treatment of musical instruments, components and accessories; treatment of musical instruments, components and accessories to enhance sonic quality and playability