New Zealand pop royalty Lorde assembles a luminous, varied lineup for her 65-show Melodrama tour, bringing along the crown jewel of hip-hop duos (Definitive Jux hero El-P and the quick-witted Atlanta MC Killer Mike) and Swedish songbird Tove Styrke, another global juggernaut. A singer with a penchant for the first-person plural (“And we’ll never be…”), Lorde’s not one to shirk sharing the throne (or the stadium stage).