A friend sent me this link to Garfield Minus Garfield, a site which is exactly what the name implies. The intro reads: "Who would have guessed that when you remove Garfield from the Garfield comic strips, the result is an even better comic about schizophrenia, bipolar disorder, and the empty desperation of modern life? Friends, meet Jon Arbuckle."
The real revelation: Who knew Arbuckle was an a cappella alum?!
Here's the original a cappella-themed Garfield comic...
...and then the one without the cat.
I'll let you decide which is funnier.
Click here for more (or rather less) Garfield.