Barry Gibb returns to the Bee Gees' music via Nashville

For his latest album, Barry Gibb teamed up with some of Nashville's biggest stars to record "Greenfields," in which they perform some of The Bee Gees' greatest hits. The last surviving Gibb brother talked with "CBS This Morning" co-host Anthony Mason about returning to their catalogue, and about the new HBO Max documentary about the group, "The Bee Gees: How Can You Mend a Broken Heart," which he says is too painful for him to watch. Subscribe to the "CBS Sunday Morning" Channel HERE: http://bit.ly/20gXwJT Get more of "CBS Sunday Morning" HERE: http://cbsn.ws/1PlMmAz Follow "CBS Sunday Morning" on Instagram HERE: http://bit.ly/23XunIh Like "CBS Sunday Morning" on Facebook HERE:   / cbssundaymorning   Follow "CBS Sunday Morning" on Twitter HERE: http://bit.ly/1RquoQb Get the latest news and best in original reporting from CBS News delivered to your inbox. Subscribe to newsletters HERE: http://cbsn.ws/1RqHw7T Get your news on the go! Download CBS News mobile apps HERE: http://cbsn.ws/1Xb1WC8 Get new episodes of shows you love across devices the next day, stream local news live, and watch full seasons of CBS fan favorites anytime, anywhere with CBS All Access. Try it free! http://bit.ly/1OQA29B --- "CBS Sunday Morning" features stories on the arts, music, nature, entertainment, sports, history, science, Americana and highlights unique human accomplishments and achievements. Check local listings for CBS Sunday Morning broadcast times.