VALERIE JUNE HOMETOWN: Humboldt, Tenn. INFLUENCES: Wanda Jackson, Dolly Parton, Nina Simone ALBUM: Pushin’ Against a Stone, out August WEBSITE: valeriejune.com Valerie June showed off her vocal chops by singing in church as a child in West Tennessee, where she soaked up the region’s rich musical culture. She landed her first gig as a teen with the help of her father, a promoter for gospel musicians. “It was and still is hard to go anywhere without...