Missed Paice Ashton Lord, too... my "buddies" bought tickets and didn't bother to let me know...
Hendrix played a gig at a club in a place near Heathrow called Hounslow, around the corner from where I lived, right under the flightpath...
If it's a player I regret never having had the chance to see, then Duane and Berry easily top the list, and then some...