I think I noticed something regarding the Hybrid Theory - 2 Track Demo, if you look Esaul was called "Esaul" till January (9 Track Demo) but was Esaùl then around March It was changed to Esaul (A Place For My Head) possibly due them finalizing to change it to A Place For My Head, which they did, also that Esaul is similar to the one played on Lockout Documentary in February 2000. SuperXero was originally called Sad but was called Super Xero till March maybe before to By Myself even the version that was released on Hybridtheory site in April 2000 it was called By Myself plus they almost sound identical leads me to believe The 2 Track Demo was made around March 2000 or sometime around that.
I'm not trying to spread misinformation, this is just a theory a Hybrid Theory lol, from analyzing things about the 2 songs history like I could be wrong or right or halfway right who knows tho.