Last night, Flight of the Conchords appearedon “The Late Show With Stephen Colbert. The duo performed an unreleased (but setlist appearing) track called “Father and Song” in a anticipation of their new HBO special Flight of the Conchords: Live at the London Apollo. Watch it below.

Flight of the Conchords: Live at the London Apollo was recorded at the Eventim Apollo in 2017 and it will air on October 6th. It was recorded at the Eventim Apollo during their 2017 UK tour.