Speaking of Shel he also has a song called "26 Second Song":
26 Second Song
(Shel Silverstein)
All the DJs keep complaining, "tunes are much too long!"
So I've gone and wrote myself a 26 second song.
It's a real song; indie rock band My Morning Jacket has covered it.
Jason
Link added by Joe Offer:
https://www.youtube.com/watch?v=OxGX9OeQCCo