Hi all - It's time for an instrument spring clean and I'm looking for some Kim & Aggie style hints for instrument care. Does anyone out there have any special things that work a treat with regard to maintenance? For example: My bass has (not from me I might add but from previous owner) some rather unsightly and unshiftable gunk/spots on the lower half of the instrument under the valves (where the spit drops out) I've fitted a kind of nappy (bar towel) to stop any more but does anyone know how I can get rid of what is already there and restore some of the original shine? (without using anything that could damage the silver plating!!! After that - lets just hear all your little tips for cleaning - especially the bigger instruments!