folk singer
jongleur
minstrel
poet-singer
troubadour

She started her career as a folk singer in 1988.

She tried to be a folk singer, but wasn't any good.

In the early 1970s she was a professional folk singer.

In 1942 he began a successful career as a folk singer.

Folk singers get a lot more air time in his house these days, except when the kids are gone.

It is also used by other folk singers of the region.

He was then, at least in theory, a folk singer.

While in graduate school and during the early 1970s, he had a side activity as a folk singer.

She came to Manhattan at 17 to become a folk singer.

I didn't really have the voice to become a traveling folk singer, though.