When, How, and Why did Ed's Voice Change? Options

[LiveForNow]

Most people here would agree that Ed's voice has changed over for the years. I agree, and unfortunately I think it changed for the worst (but not as bad as most people would say).

I don't speak music lingo, nor was I a fan of the band until 2008, so all I have to go off of are concert recordings, but to those who have seen the change and know a thing or two about vocals, what exactly happened? Why did it happen? When did it start to change, in what ways, and how has it continued to change?

Please be as unbiased as you can be and keep your theories scientific. Comments like "Because Ed's ego got in the way" doesn't really answer the how or even the what for that matter.

This post has been edited by LiveForNow: Nov 18 2016, 4:07 pm