Audio problem: In the Boar's Nest, when the Oak Ridge Boys are singing, you hear a familiar "Yeee-haw!" This is from Bo, and you hear it now and again, even when you see Bo in a close up, and his mouth doesn't move.
Audio problem: When Bo and Luke come up behind the visitor in the blue car, Bo honks the horn and waves. When he does, only the last part of "Dixie" plays when the camera is on him. Then the camera cuts to her, and only the last three notes play about two or three seconds later.
Answer: Various reasons, but mainly to drive the Dukes out of Hazzard County because the family have been foiling his schemes since his and Uncle Jesse's bootlegging days.
Captain Defenestrator