Today, listen to Warren Smith in 2014 talking about Christmas music with singer-songwriters Andrew Peterson and Keith Getty. Getty and his wife have become fixtures in Christian music over the past decade. They are currently touring the country with a large band and a new show called 'Sing: An Irish Christmas.' For the past 20 years, Peterson and a circle of musical collaborators have toured the country with a Christmas show called 'Behold The Lamb of God.'