It is in the middle where is is arguing with the girl, and a few other places.
After almost 50 years it is the cool ride to have!

http://www.rcarecords.com/musicbox/

Title is "Light On"

Cool! I caught it! I was watching the wrong video looking for it :D. It looked like a '71.

Here's another one,

YouTube - Shawn Mullins - Everywhere I Go