sentences:  In December 1974 the program relocated to 30 Rockefeller Plaza in New York City, where Snyder took on additional anchor duties for NBC News and the network's flagship station, WNBC-TV.In June 1977, the show returned to Burbank until 1979, when Snyder once again began originating from New York.On September 8, 1980, when "The Tonight Show" was shortened to 60 minutes, "Tomorrow" was scheduled at 12