Watch the Lone Bellow Perform ‘Then Came the Morning’ On ‘Letterman’Watch the Lone Bellow Perform ‘Then Came the Morning’ On ‘Letterman’On the eve (Jan. 26) of the release of their sophomore album, 'Then Came the Morning,' the Lone Bellow stopped by the 'Late Show With David Letterman.'Emily TanEmily Tan