preserving things, rather than changing things
The show was probably, "The Beverly Hillbillies," and the theme song was performed by "Lester Flatt, Earl Scruggs, and the Foggy Mt. Boys."
A collection of old recordings that inspired the second folk-music boom.
Jamming is a radio transmission deliberately sent out to disrupt the enemy's communications.
Folk music was invented in the 1930s by Woody Guthrie and Pete Seeger.