She appeared on the Bay area scene about four years ago, an exotically pretty, shy girl with an acoustic guitar and a mysterious name:

Geri X.

She had a nebulous backstory: A Bulgarian immigrant, it was said, with some kind of trauma in her childhood. Even her age was up for debate; rumors spread that she could be as young as 15 or as old as 30 (a very young-looking 30). She wouldn't tell. Nor would she reveal much about her past. It was as if a talented kid had been dropped into the scene by a spaceship. She played countless local gigs and was amiable enough, but remained somehow remote.

And then she was gone, or mostly gone — relocated to Wisconsin with her new boyfriend and bassist/guitarist, Greg Roteik. She returned sporadically for gigs.

Now she's back.

Eric Snider is the dean of Bay area music critics. He started in the early 1980s as one of the founding members of Music magazine, a free bi-monthly. He was the pop music critic for the then-St. Petersburg...