Arthur "Big Boy" Crudup

Discovery has identified what we already know: A brother sang the first rock-and-roll song. "That's All Right Mama" by Arthur "Big Boy" Crudup is the world's oldest rock song, according to Southeastern Louisiana University rock historian Joseph Burns, who also thinks this song could contain the first-ever guitar-solo break. Burns, who hosts the weekly radio program Rock School, gives Crudup the glory because "That's All Right Mama" was the first song to contain all of the elements that he says are associated with rock and roll:

* It's music that draws heavily from blues and country in a hit form that's often danceable.
* There should be hints of jazz, gospel or folk influence.
* There should also be some technology influence.

"It's a lot to ask of one song," he said. "Few fit the bill." But of course.

Read more at Discovery.