Valerie June
If Valerie June had been a roots artist in America 80 years ago, and she often sings as if she was, she might have been a principle influence on today's myriad retro troubadours, hers a stunningly emotive amalgamation of blues, folk, gospel, soul, Appalachian and bluegrass (including irresistible banjo). She exists, however, today, an artist as modern as an iPod Shuffle, a musician for the generation which carries the entire history of recorded music so casually inside its phone.