 So rock me, mama, like a wagon wheel. Rock me, mama, any way you feel. And that's a cover of Wagon Wheel by Old Crow Medicine Show. This became your biggest-selling single, and again, you won the Grammy for Best Country Solo Performance. Something went a little awry when it was time to accept the award. What happened? Oh, man, we were going to L.A. We left with what we were told was more than enough time to get there.