We found this over at the Huffington Post and had to pass it on. From the HP:
One of the stops on that tour was the venerable live music program Austin City Limits, and Martin and the Steep Canyon Rangers, a vocal quartet, performed an original composition. Lamenting that religious people have the best music, they decry the fact that nonreligious people are left in the proverbial dust when it comes to music proclaiming their beliefs. Check out the performance of “Atheists Don’t Have No Songs” below.