The Beatles released ballads like 'Yesterday' and 'Michelle,' even if they were known for rock 'n' roll music. Here's what George Harrison said about their originals.
One of Elvis Presley's songs claims the United States was so much better than the Soviet Union and how people should be glad they don't live in Leningrad.
Carrie Underwood is a vocalist who often shares her support for other country artists. However, she does notice when people intentionally lower keys for live performances.