In a report discussing the influences of country music on rockabilly what sound files would be most helpful?

* Examples of country music songs that influenced rockabilly:

* Hank Williams - "Your Cheatin' Heart"

* Ernest Tubb - "Walking the Floor Over You"

* Carl Perkins - "Blue Suede Shoes"

* Examples of rockabilly songs that were influenced by country music:

* Elvis Presley - "That's All Right"

* Johnny Burnette - "Train Kept A-Rollin'"

* Gene Vincent - "Be-Bop-A-Lula"

* Interviews with rockabilly musicians discussing the influence of country music:

* Elvis Presley - Interview from 1956

* Carl Perkins - Interview from 1986

* Jerry Lee Lewis - Interview from 2006