tweaking

``Ugh Comrades`` Since there were huge temperatures' fluctuations those last days, the neck of my Jazz-man moved. It's a bit too much back-bowed now (there's a hump in the middle of the neck, under the G and D Strings). So, I need to un-tighten the neck right? Now, what do I need to tweak the...

i was thinking of adding LED's to an existng wick, can it be done, i found out that most of the gigs venues going to be a dark. so i was thinking of adding LED to the side of the neck. can it be done for existing wicks? and cost also. thanks