If she were ever to do any sort of live shows again, it'd have to be a short stint at a London theatre/hall/etc. I don't think she'd ever perform anywhere where she couldn't be in her bed the same night. But like Georgie said, I think she's done. She hated touring and performing since day 1. Don't believe me? Listen to the 1971 Fleetwood Mac song
Homeward Bound. That's probably why she was perma-drunk for decades... to blunt that anxiety. She's nearly 70 now... it's safe to say she's done having to put up with that
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