Video has been posted of Steve Martin and Steep Canyon Rangers performing last night (10/5) on The Late Show with David Letterman.
The song is Saga Of The Old West, one Martin wrote, which is included on his current banjo CD, The Crow. He also performed it with the Rangers on the IBMA Awards Show last Thursday night in Nashville.
The two acts are on tour for the next six weeks or so, with dates across the US, plus stops in Canada and the UK. Find the tour info online.