[faucetman]

David Blatt, aka “Jay” Black, of Jay & The Americans
Roy Orbison
Gene Pitney
Ronnie Dunn
Michael Bolton
Scott McKenzie

[Yardstick]

Obviously Otis Rush:

https://www.youtube.com/watch?v=6h82s5sjOEE

https://www.youtube.com/watch?v=-5hO7hwYpiw

He also plays two perfect guitar solos on these recordings.

[Huntress]

Art Garfunkel
Ray Price
Roy Orbison
George Strait

[MarkL]

Lemmy
Bon Scott
Gene Simmons

[kristinn]

Cross linking follow-up Three Greatest Female Vocalists discussion thread.

Also adding my three nominations for best male vocalist:

Paul McCartney

Andy Williams

Sammy Davis, Jr.

[Impala64ssa]

I would say Sinatra, Lionel Ritchie, Al Green (NOT that idiot Congressman!)

[GrandJediMasterYoda]

Jeff Buckley, nobody and I mean NOBODY comes even a million miles close to that guy. Watch this video, if you don’t want to watch the whole thing, scroll to the end part and listen to him take off, I mean my God, he doesn’t even break a sweat.......

https://www.youtube.com/watch?v=XjO4IenAyUw

[GrandJediMasterYoda]

Here’s another mind blowing vid of Jeff Buckley singing. Name one guy on this planet who can sing this good, I don’t even think Freddie Mercury could......

https://www.youtube.com/watch?v=cU7GNlfMKhU

[Mr.Unique]

Otis Redding
Sam Cooke
Wilson Pickett