Hmmm...I'll start off my list with "Bands with members who have died"

1-Nirvana
2-Alice in Chains
3-Blind Melon
4-Greatful Dead
5-Jeff Buckley
5-Lush

and then moving on to bands I've seen without dead members (so far I think)

6-Tool
7-Rage Against the Machine
8-Soundgarden
9-Smashing Pumpkins
10-Aerosmith
11-Metallica
12-Tribe Called Quest
13-Dave Matthews Band
14-Phish
15-Sarah McLachlan
16-Green Day
17-Pearl Jam
18-Nine Inch Nails
19-Moby
20-Emerson, Lake & Palmer
21-Rush
22-Primus
23-Breeders
24-Jewel
25-Foo Fighters

and many, many more....