Michael Schneider Variety Editor at Large Minutes before “Saturday Night Live” was set to kick off Season 49 inside Studio 8H at 30 Rockefeller Plaza, the show’s production team — led, of course, by executive producer Lorne Michaels — received word that two special guests were on their way. According to a source, that was when they learned that Taylor Swift and Kansas City Chiefs tight end Travis Kelce, who were in New York City, wanted to drop by the show.