Jimmy Fallon April 21, 2017 4:52 am ‘Tonight': #420Songs Hashtag With Brad Paisley Jimmy Fallon gets some help from Brad Paisley singing his favorite tweets with the hashtag #420Songs. US & World Videos 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists 1:39 Patriots superfan slams Tom Brady's ‘crap autograph'