Johnny Mathis is a singer of popular music. Dozen of his albums achieved gold or platinum status and he has had certified sales of over 17 million units in the United States. His two most popular songs, "Wonderful Wonderful" and "It's Not For Me To Say," have been featured in films. His 1957 appearance on The Ed Sullivan Show sealed his stardom. Johnny's Greatest Hits, released in 1958, was the first ever greatest hits album in music history. The Grammy Hall of Fame inductee is often called the man with the velvet voice.