Noah Kahan has long joked that he's the "Jewish Ed Sheeran." And this week, the two singer-songwriters finally got together, playing a set of acoustic songs - including one of the British pop star's unreleased tracks titled "Old Phone" - in a Nashville pub.

A small crowd of about 100 people at one of Nashville's beloved dive bars was treated April 22 to an impromptu set by two folk-pop superstars: Ed Sheeran and Noah Kahan.