Ding ding ding...
So, did you google?

Before my time, but yes, it goes back to '69, most people think it's a Little Feat song as it appeared on the '88 album "The last record album", released after the death of Lowell George. The Feat still does it ...saw them perform it two days ago, in fact.
A beer to you if we ever meet! (Find me at the ARRCs or the IT Fest.)