STATEN ISLAND, N.Y. — In a moment that felt like a passing of the torch, Bruce Springsteen made a surprise appearance Sunday night at Zach Bryan’s sold-out show at MetLife Stadium in East Rutherford, New Jersey — marking a powerful union between generations of American songwriting, according to CNN.com.

The Boss performed with the artist who has become known as his “heir.” Bruce Springsteen surprised the audience at Zach Bryan’s concert Sunday night at MetLife Stadium in Ea