♪ roll overb beethoven ♪ >> chuck berry has died at the age of 90 years old. he had a career expanding half a century. he had hits like sweet little 16, johnny be good. >> his influence in music and performance style has been wide-spread and enduring. elvis and the beatles covered his songs. he was one of the first inductees to the rock 'n roll hall of fame in 1986. we have from bruce springsteen. chuck berry was rock's greatest practitioner guitarist and the greatest pure rock 'n roll writer who ever lived. a tremendous loss of a giant for the ages. >> earlier, we spoke with an entertainment journalist about the legacy of chuck berry.