Sharp found that English folk songs had survived in a purer, older form among isolated Appalachian mountain communities than in rural England itself, because the geographic isolation preserved an oral tradition that had decayed at its source. The singers possessed large repertoires yet were often unaware the songs were English or old, treating them simply as the music of their community.
The same ballad appears across different singers and settlements in multiple variants of text and tune, with no single authoritative version; each performance is a local realization rather than a copy of a fixed original. Sharp records these variants side by side, treating variation itself as the normal state of a song transmitted by ear rather than print.
By notating songs as sung by named individuals in specific places, the collection treats melody and text as evidence of a living community practice rather than as abstract artifacts. The transcription captures modal scales and irregular rhythms that standard notation tends to flatten, implying that how ordinary people actually sing differs systematically from how trained musicians assume music works.