Watch BTS perform 'Swim' in Guggenheim Museum on 'Fallon'
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The group also spoke about the title of new album ARIRANG on The Tonight Show.
BTS is coming back to late night, with NBC announcing Wednesday (March 18) that the group will appear on not one, but two back-to-back The Tonight Show Starring Jimmy Fallon episo
The band will perform two songs and sit down with host Jimmy Fallon for an interview on March 25 to celebrate the release of their comeback album Arirang, out March 20