Have you tried https://www.umusicpromo.com/snuganddry/ ?
In all seriousness, if you plug "site:umusicpromo.com" into a google search you can see a few spots on their site, but not much. I tried running various searches on the site, but it's pretty locked down from what I can see. I'm not sure that there's anything there.
I also want to say that this post looks to be 100% correct. That blog was run through a Markov generator, and some of the results became the added lyrics. Whether we were intended to find this or not is another question.