Azealia Control It
All we know about Part II is

It starts off with "What a shame we all became, such fragile broken things" (then changes)

It references "spark" throughout the song

It's 4:41 length.

It ends with the Monster Outro, they play live after Monster.

The intro is rumored to be the LTFB Outro with a twist...

(That's right after the Oh Father outro, and is rumored to be the PART II intro.)