Musicians always die. They're neither immortal nor eternal. Great music is. That lives on and never dies.
Prince & Bowie!
For me, it would be either September 18, 1970, the day that Jimi passed, or August 9, 1995, when Jerry Garcia left this earth. In both cases, thankfully, the music lives on and on.
For me it was August 27, 1990 with the passing of Stevie Ray Vaughan.
Being a teenager in the 90's dealing with the angst of youth! Let's see. The Seattle suicides were common or overdose. We had Cobain , Cornell , Stanley, wood, Weiland ( diff state) Shannon hoon.
So despite of all those sorry souls that were self inflicted and the list rolls on like a scroll.
Jeff Buckley in 97 or Carl Wilson , the big o.
I may or may not be in the minority but June 2009...the death of Michael Jackson. He defined and also redefined music in so many ways.