Iron & Wine (music group)

'Tomorrow' has come for singer Rhiannon Giddens

'Tomorrow' has come for singer Rhiannon Giddens

If you need testimony that Rhiannon Giddens is a talent to watch in 2015, listen to Bonnie Raitt.

Roughly a year ago, Raitt was sitting upstairs at the Troubadour in West Hollywood before performing at the Americana Music Assn.'s annual pre-Grammy Awards showcase. She was already having a fine time when the Carolina Chocolate Drops singer stepped to the microphone and unleashed a riveting rendition of Odetta's traditional work song, "Waterboy."

"I was flipping out," Raitt said of Giddens, whose T-Bone Burnett-produced solo debut album, "Tomorrow Is My Turn," arrived last week. "She's poised to cross over — there's nothing about her that...