Original Sephiroth Theme or New?

[Xurts]

Something cannot be 'new and improved'. If it is new, then there was nothing like it before, and therefore no base to improve upon. If it is improved, then something similar must have come before it, therefore it is not new.

AC version.

being the later or latest of two or more things of the same kind: the New Testament; a new edition of Shakespeare.

Definition of "new" from Dictionary.com ^.

to make improvements, as by revision, addition, or change: None of the younger violinists have been able to improve on his interpretation of that work.

Definition of "improve" from the same website ^.

Something can definitely be new and improved.