Jerry Lewis said that comedy always has an element of sadness to it. Knowing the life that Townes Van Zandt led, characterized by mental illness and drug dependency, I think the tragedy overwhelms the comedy this time:
Now this man down at the used car lot
Tried to sell me four wheels and a trunk.
I said, “But man, there ain’t no engine!”
He said, “The engine’s just a bunch of junk.
You don’t need no engine to go downhill
And I could plainly see, that that’s the direction
You’re headed in,” and he handed me the keys.
Full lyrics HERE.