Grant Lee Phillips and Neko Case
Needles & Grooves
Aron
AnthonyI
Linda Ronstadt would be in the group photo 
Bennnnn
Kate Bush.
BjorgenFjorgen
Rick Danko and Richard Manuel.
Colonel_Angus
Fred Durst
wokeupnew
Tracyanne Campbell (of Camera Obscura)
CrazyDiamond84
Otis Redding, Van Morrison & Natalie Maines
Corycm
Leonard Cohen. Specifically old-age, subsonic Leonard.
bettim84
Marisa Monte, Caroline Polachek, Hansi Kürsch.
Corycm
Also Margo Timmons. She can sing me anything.
Joe Mac
Stevie Nicks and Joni Mitchell are definitely in the debate.
KenKaniff
Later years John Prine
Joe Mac
For the fellas I love the way Neil Young’s cracked falsetto can convey an emotional fragility and it’s a pity we never got to see what Jeff Buckley could have gone on to do.
GritNGlitter
Dolores O'Riordan too.
Sonicpharmacist
Stuart Staples, Van Morrison, Chuck D, Sam Cooke, Joni Mitchell
Aron
Polly Jean Harvey
Yer Ol' Uncle D
Lydia Loveless and Mark Lanegan
Renée
Serj Tankian, Steve Perry, Lacey Sturm, Rob Halford, Michael Barnes
debianlinux
Jello Biafra
Dirtbag Auntie
Björk