Wilf Carter, Hank Snow, Patsy Cline, Bing Crosby, Cliff Edwards, Gene Austin, Ruth Etting, Sarah Makem, Grandpa Jones, Roy Orbison, Nat King Cole.

Getting off the subject for a minute: Broadway musicals used to feature guys with testicles: Howard Keel, Joel McCrey. In revivals of old shows like Showboat and Carousel, they've been replaced with kids singing in wimpy tenor voices, sounding like they're still in 9th grade. There should be a protest of some kind, WE WANT BARITONES.