Popular Male Singers in the past Half Century...


Hi, can you name 20 most popular/favorite male singers (vocalist, artist) from 1960s to now?

I'd like to collect some CDs for these singers. Would you recommend some albums (songs) for these artists as well?

Thank you.
r0817
Here's a few of my favorites:

Jackson Browne
Don Henley
Jim Croce
John Mayer
John Fogerty
Elton John
Bily Joel
John Lennon
Paul McCartney
George Harrison
J.D. Souther
Glenn Frey

There are many more...
Roy Orbison
David Byrne (Taking Heads)
Milton Nasimento (Brasil-falsetto vocals)
Tom Waitts
Udo Dirkschneider (Accept)
Kenny Logins
Joao Gilberto
Louis Prima
A few more I forgot:

Gram Parsons
Eric Clapton
Steve Winwood
Van Morrison
Elvis Costello
Donald Fagan
Rod Stewart
Joe Cocker

Plus many more
A few personal faves (with recommended tracks). Some are pretty well known, others pretty obscure, but I really like all of them. No guarantees, but you might, too.

Daryl Hall (Hall & Oates) - Sara Smile
Norman "General" Johnson (Chairmen of The Board) - Gimme Just a Little More Time
Todd Rundgren - Hello, It's Me
Matthew Sweet - I've Been Waiting
Freedy Johnston - In The New Sunshine
Gregg Alexander (New Radicals) - Someday We'll Know
Brandan Benson (Raconteurs) - A Whole Lot Better (solo)
Marshall Crenshaw - My Favorite Waste of Time
John Croslin (Reivers) - Other Side
Lindsey Buckingham - Big Love
Chris Stamey (dBs)- She Was The One (Holzapple/Stamey)
Brian Wilson - God Only Knows
Kyle Davis - Buried Alive
Parthenon Huxley - Every Minute
David Eugene Edwards (16 Horsepower) - Black Soul Choir
Web Wilder - Streets of Laredo
Alejandro Escovedo - Five Hearts Beating
Alex Chilton (Box Tops) - The Letter
Doc Watson - Don't Think Twice, It's All Right
Bob Delevante (The Delevantes) - This Engine Runs on Faith
John Hiatt - Have a Little Faith In Me
Brian Henneman (Bottle Rockets) - Waitin' On a Train
Raul Malo (Mavericks) - All You EVer Do
Don Dixon - Inside These Arms
Mark Oliver Everett (Eels) - Grace Kelly Blues