Mundane? Yup.
Pointless? Sure.
I MUST share!
Well, it sure doesn’t seem like a waltz, but the performance would be spectacular!
Heh, some of the phrasing looks like Philip Glass was involved…
I didn’t know Rube Goldberg was a composer.
That’s pretty cool, but check this out.
“Release penguins.” Hee hee.
Very nice, Cantara.
I believe that piece is played by slamming a 2x4 down on the keyboard.
Link in the OP is dead, but this one works.
Heh. Check the second-to-last measure:
Like a New Orleans concertina choir… continue “swimming” motion
My GoogleFu skills have revealed the second page.
Heh. And I just noticed that the clef changes on every line. 
No it doesn’t! Although your link seems to be to a string quartet, unlike the first page. (Hey, can’t I be irrationally-rational about this?)
“Remove cattle from stage.” Snicker.
Return to the Swarzenegger? 
Move those chubby little fingers!! LMFAO!
How many frogs does the Death Waltz require for each performance? Inquiring minds want to know! And, what’s a ‘cat handle’?
I wish the GarageBand synth had a “balance your chair on two legs” mode so I could know what this sounds like.