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.

Ed Sheeran staged another surprise performance at a Nashville institution on Tuesday, this time bringing along Noah Kahan. A month after Sheeran serenaded bachelorette parties at Tootsie's, the singer performed "dueling songs" with Kahan at Nashville's Santa's Pub,