Letterman, or someone on his staff, has an apparent fondness for alternative-country, and this is good. Ray Wylie Hubbard, Jason Isbell, Dale Watson and Randy Rogers Band have all recently taken their talents to Late Night.
The music that comes out of Texas and Oklahoma only continues to grow bigger and better. 2012 could easily be the biggest year for music on the scene and these seven artists are truly leading the way. That's not to say that there aren't talented musicians and other fantastic records being made. This just means these are the seven we can't put down for 2012.