"We're just a couple of singers who happen to be sisters"

Music Shelby Lynne and Alison Moorer to release album together.

"We're starting to write in March and hopefully we'll put out a record next year," Lynne tells Billboard.com. "We're going into uncharted territory here. We'll see what happens. I expect it to be really good and really soulful. We're just a couple of singers who happen to be sisters...getting together to write songs and see what we can do together."

I'm trying calculate the genre implications. They're going to be stuck in the country section HMV again aren't they?  Assuming it's still open ...