Diane wrote: (Suze states quite categorically that she doesn't play any instrument. So it seems somewhat unlikely that it was she who picked up and played an autoharp...)
The lady in the Troubadour photo sure looks like Suze Rotolo to me. At age 18 or so, perhaps in the company of her musician boyfriend, she picked up and strummed an instrument at a musical event. This is hardly inconsistent with the statement of the now sixty-something Suze that she doesn't play an instrument. I've seen an awful lot of amateurs strumming and shaking things they couldn't play very well, or at all.