Let's see...thought-provoking lyrics that have many different levels, complex song structure that manages to be ingenuitive without being crap, Maynard's beautiful voice...in fact, I'm not sure what's *not* appealing about Tool.
I like Bad Religion.
I think I like Tool better than APC. It's harder and angrier.
-Smitten Kitten-
The difference is that APC is a superband, and when you get that many great musicians together, you can't possibly do anything wrong. Tool is really good, and the drummer is F*N awesome, but you can't compare Tool and APC because they are so different. I loved Mer De Noms, and I haven't heard much of 13th Step.
QOTSA...the singer? His name is Josh Homme. The bassists name is Nick Oliveri. That's the whole band. They got Dave Grohl to play drums.