And a mandolin starts up the distinct sound of Hank Williams' "Jambalaya." It is joined by an acoustic six-string guitar and a banjo as a male tenor sings, "Son of a gun, we'll have big fun on the ...

Correction: This story has been updated to correct Wyatt Ellis' age. Three years ago, Wyatt Ellis spent many of his days like a lot of kids his age -- as a Boy Scout and an oft-injured soccer player ...