Wiktionary
old-time country
n. Form of American folk music popular in the Southern Appalachian region of the United Staes prior to the early 1930s, emphasizing jug band and mountain string bands; influential in early country music.
Usage examples of "old-time country".
She was evidently a classics-and-folk enthusiast, sixties revival stuff, to his old-time country and alternative rock.
It was several twigs of sassafras wood trimmed clean at one end--old-time country toothbrushes.