On the new site: Technical &gt;Perfect Guitar &gt;G or 3rd plain string – taming a rogue.The cause of some really horrible, nasty sounds from Fender Stratocasters and to a lesser degree other type of amplified guitars too.  Ideally it should always be a wound string (like on acoustic guitars) since wound strings, like the other ***five*** (five should be four) strings, behave in an orderly manner and almost never causes disagreeable sounds.