As in not the primary creative impetus of the band
The Pixies were mainly Black Francis, but The Breeders are great as well
ITT: Secondary members of bands that made good music in their own right
Anthony Cruz
Landon Hill
Dave Grohl
Jack Carter
lou barlow from dinosaur jr
Jose Reyes
yep
Carter Allen
Frank Iero
Jayden Martinez
lolno.
Yes.
Adrian Thomas
Richard Wright.
Michael Collins
Joe Walsh
Logan Young
Orang from Talk Talk
Adam Sullivan
All the secondary members of Spacemen 3 formed The Darkside
Leo Rivera
HOMESHAKE (touring member of Mac Demarco so it sort of counts)
Robert Murphy
doesn't really count
Henry Baker
k den
Adrian Cox
Also Roy Estrada from The Mothers of Invention formed Little Feat
And Matt Sharp from Weezer formed The Rentals
Caleb Stewart
George Harrison
Dominic Gray
Morrissey
Nolan Foster
Came here to post this. III is better than anything Dino Jr ever put out imo
Samuel Morales
The Depreciation Guild, pic related is miles better than anything The Pains of Being Pure At Heart could ever hope to do
Blake Nelson
Jeremy Barnes (drummer for Neutral Milk Hotel) makes music with violinist Heather Trost under A Hawk and a Hacksaw, and it's pretty fucking good
Henry Ross
better than some of the Beatles albums
Joshua Scott
Tanya Donnely (Belly) from Throwing Muses