TerriM: I've just been suffering with this problem too ! All the above ideas sound promising and I have been using several: sticking to story songs, taking an aspirin, drinking coffee, repeating verses as if I intended it for effect, and adding extra instrumentals. My current plan for coping is to make a set list of songs I want to do for the next month - at "spontaneous" jams - and rehearse them carefully several times before hand. It limits the number of songs you do in any given month, but it prevents the embarassment of hitting that blank in the third verse. It also makes you pick your "best" stuff. I've just had to resign myself to the fact that no longer can I just "wing it" and sing anything I learned in the past 25 years without a hitch. It's hell to get this mature, maybe it will pass, or maybe one just gets down to the lone quintessential song you know and that's it !