Q: i just wanna know the complex stuff, like wtf is an Emaj9b7?
A: spelling error i think. it's about like the word "refridgerater." spelled wrong, but, possibly more logical than the currently accepted spelling. assuming you mean the word refrigerator, (or, indeed, in this case, E9) then that would have E in the bass (one low note on E) then the rest of the notes in the normal chord-range would include G#, D, and F#, and optionally B