Conan O’Brien’s former bandleader Max Weinberg reunited with the late-night host tonight — first time they’ve performed together on Conan’s late-night show since he left NBC. The E Street Band member was named bandleader for the show band on Late Night With Conan O’Brien when it started in 1993, four years after Bruce Springsteen had broken up his band. Weinberg followed Conan to The Tonight Show, but when Conan quit the show after seven months in a battle with NBC chief Jeff Zucker over a proposed time-slot change, Conan wound up moving to TBS and Weinberg did not join him.