Dennis Wilcock did 9/11
HCW is overlong and has what may be the worst Maiden chorus. The intro is cool though. Only weak song on SIT.
Copypasta > copy & paste
The interface/instrument you use to control midi makes a huge difference. Otherwise, drummers who play electronic drums could just play on a computer-keyboard, for example. But also apart from that, soundwise 7th Son is better + less dated.
If those artifacts sound like Somewhere in Time, then yes.