Jimmy Fallon September 13, 2018 2:35 am ‘Tonight': Fallon, Aerosmith & The Roots Sing ‘Walk This Way' Aerosmith joins Jimmy Fallon and The Roots to perform their hit “Walk This Way” with classroom instruments. US & World Videos 2:43 ‘On the Dot' to redevelop stretch of Dorchester Avenue 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital