for about a month now my rockbass has been rattling pretty bad up near the headstock. after a long series of experiments at home and with my teacher we are 99.9999% sure that its not anything on the body. its also not fretbuzz, but i have that also. its like a way more intense and louder fretbuzz sounding rattle. we think it could be the nut, or maybe the tuning pegs or the truss rod. i tired taking off the strings and checking, and the nut didnt seem loose. all of the tuning pegs seemed pretty loose, but i think theyre supposed to be like that on rockbasses, and theyre very tight with strings on. i couldnt tell if anything was wrong with the trussrod. any1 have any experience with this problem and/or this bass?