Vevo announces the release of H.E.R.’s live performance of “Slide.” Presented anonymously, contemporary R&B artist H.E.R. (Having Everything Revealed) surfaced in 2016 with H.E.R., Vol. 1, an EP of downcast post-breakup material that sounded both vulnerable and assured, much like what followed from the singer and songwriter. The seven-track EP appeared on major-label RCA in …