In the late 1960s, with popular culture hurtling forward on the sounds of rock music, some brave musicians looked back instead, trying to recover the lost treasures of English roots music and update them for the new age. The records of Fairport Convention, Pentangle, Steeleye Span, and Nick Drake are known as "folk rock" today, but Rob Young's epic, electrifying book makes clear that those musicians led a decades-long quest to recover English music-and...

From the seventeenth through the nineteenth centuries, a steady stream of Scots migrated to Ulster and eventually onward across the Atlantic to resettle in the United States. Many of these Scots-Irish immigrants made their way into the mountains of the southern Appalachian region. They brought with them a wealth of traditional ballads and tunes from the British Isles and Ireland, a carrying stream that merged with sounds and songs of English, German,...