Ted Gioia found her. She's a fantastic Bossa nova singer and guitar player. I don't know
anything about her but I want her recording of Manha Du Carnaval.
Susana Raya, a musical name to remember.

Brazilian Bossa is a folk outgrowth of the black and Anglo culture In Brazil.
I haven't tried to google her yet.

Villa Lobos, the famous Brazilian composer was a street musician.

Folk music is bigger than the straight jacket put on it by the music business
or the academic world. It's foundational for meaning musical expression
in every country. When it's rich and vibrant, then great music whether
you call it classical or jazz or pop, it has a soil that's rich and sprouts
musical flowers that last for generations. The key is to own it.
As Americans or Brits or wherever it happens, if we own the music by. participating
in it as listeners, performers, singers, collectors and get others interested in it,
we are offering an invaluable service to society.