Ruth B. performs at Slim’s in San Francisco on Sept. 19, 2017. Photos: Alessio Neri SAN FRANCISCO — Only a couple of years ago, recent high school grad Ruth Berhe was posting six-second snippets of herself covering other people’s song on a keyboard from her parents’ home in Edmonton, Alberta.…

Our neighbor to the north, the country that brought us Carly Rae Jepsen, has produced another potential pop talent in Ruth B. Ruth Berhe — not to be confused with Katy B or Cardi B, recently released her video for single “Lost Boy,” a surprisingly mature track given the subject matter. This…