I heard this story at third or fourth hand (or more), but it was told to me as a true story.
I live 14 miles away from the resort area of Myrtle Beach. Many years ago Earl Scruggs made an appearance here when he was touring with his sons as “The Earl Scruggs Revue.” As they finished playing and were leaving the stage Earl took a bad step and fell from the stage and sustained a cut and bump to his head. Earl was able to get to his feet with the help of his boys, and they decided to take him to the emergency room on their bus rather than wait for an ambulance. As they got Earl seated and comfortable, he said, "How’s my old banjo, boys? Did I bust her up real bad?"
One of the boys said, "I’ve got it right here, Daddy. You didn’t even knock it out of tune."
Earl said, “Well, I must have knocked it in tune then, 'cause I ain’t been able to tune her all night.”