About the song:
This bassline is two lessons in one; pedal tones and creating interest with subtle fills AND funky lines that lift the chorus. Leland Sklar is a master with superb tone. For more on the story behind the song: https://en.wikipedia.org/wiki/The_Night_the_Lights_Went_Out_in_Georgia#Synopsis
In the above video, Lee plays the song and talks about the session including his love for drummer, Larrie Londin.