Vampire Weekend’s strength has always been its ability to balance having a distinct, recognizable sound with putting out songs that sound new and interesting — something they can accomplish in part because they are very good musicians. It was exhilarating to watch Koenig play riffs with new touring guitarist Brian Robert Jones, while longtime drummer Chris Tomson, who swapped out a soccer kit for a Kevin Durant Nets jersey for the encore, tackled tricky rhythm sections.