Best Male Singers of the 20th Century


There is an interesting current discussion about the best female vocalists on CD. I have my own ideas about the best male singers (any category) of the 20th Century, but would like to hear other opinions.
sdcampbell
John McCormack up to 1924. You have to be willing to listen to transcriptions of old acoustic recordings. These take some getting used to but can be remarkably rewarding.
Johnny Mathis - I agree w/ R-Burke. You've gotta listen to "Open Fire, Two Guitars". Amazing! Actually beautiful. Hey, and I'm a solid blues and rock 'n roll fan.