Well...
Here's my list of favorite MALE singers, in no particular order:
Rob Halford
Geoff Tate (Queensryche)
Ed Roland (Collective Soul)
Bon Scott
Geddy Lee
Peter Cetera
Kevin Martin (Candlebox)
Steven Stills
Jim Croce
Ian Anderson (Jethro Tull)
John Cougar Mellencamp
Steve Perry
Paul Di'Anno (Iron Maiden)
James Taylor
Paul Simon
Art Garfunkel
Steve Walsh (Kansas)
Bradley Delp (Boston)
Brent Smith (Shinedown)
Robert Plant
Glenn Shorrock (Little River Band)
Don Henley
Ronnie James Dio (Rainbow, Black Sabbath, Dio)
Marvin Lee Aday (aka...Meat Loaf)
Frank Sinatra
Todd Rundgren
Chad Kroeger (Nickelback)
Derek St. Holmes (Ted Nugent)
Scott Stapp (Creed, solo)
Myles Kennedy (The Mayfield Four, Alter Bridge)
Steve Winwood
Sting
Rik Emmett (Triumph)
Roger Daltrey
Burton Cummings (The Guess Who)
Freddie Mercury
Klaus Meine (Scorpions)
Ronnie Van Zandt
Aaron Lewis (Staind)
Steve Miller (Steve Miller Band)
Dennis DeYoung (Styx)
Randy Jackson (Zebra)
John Anderson (Yes)
David Coverdale (Deep Purple, Whitesnake)
Mark Farner (Grand Funk Railroad)
Gordon Lightfoot
David Lee Roth (Van Halen, solo)
Eric Woolfson (The Alan Parsons Project)
Greg Lake (ELP)
Ronnie Hammond (Atlanta Rhythm Section)
David Gates & Jimmy Griffin (Bread)
Paul McCartney
Paul Rogers (Free, Bad Company)
Sully Erna (Godsmack)
Gerry Beckley, Dewey Bunnell, and Dan Peek (America)
Jim Morrison
Tom Johnston, Patrick Simmons, and Michael McDonald (The Doobie Brothers)
Randy Bachman (The Guess Who, BTO)
Tony Bennett (Now HOW did I forget him? DUH!)
Whewww...that took a while! I'll post my favorite FEMALE singers a bit later.
Thanks!