Isaac Brekken, AP
The duo has spent the last few months off the road, working on the follow-up to their platinum-selling Incredible Machine CD, which the pregnant Jennifer reveals will include tunes that they didn't necessarily write together.
"He's been to Sweden and doing some writing. He's obviously been doing writing stateside," she explains, adding that she's been working on tunes at home on her own piano. "We've been doing a lot of different writing, and we'll see how it pans out when we decide to go to the studio."
Other inductees to the Georgia Music Hall of Fame include Lynyrd Skynyrd founding member Gary Rossington and 15-year-old singer-songwriter Riley Biederer. "American Idol" alums Diana DeGarmo and Ace Young will serve as performers for the ceremony, along with several of the evening's honorees.
Tickets to the event will go on sale at Ticketmaster on Aug. 4. The ceremony will be held on Oct. 14 at the Cobb Energy Centre in Atlanta.
Watch Sugarland, "These Are the Days" (AOL Sessions)