She has "loosely been working on my record for a couple years now," even when she was pregnant with her daughter, who is 1.
And now, "it's like really down to business and I've made a lot of headway and progress on the record, and you will see sort of the difference between this record and others in the past."
Aguilera, 34, said she wants to release a new album next year. It would be the follow-up to 2012's "Lotus."
"I am hoping for it to be next year and maybe around the time ... I return for (live episodes of) 'The Voice' season 10," she said.
More here -
http://abcnews.go.com/Entertainment/...music-34309801
1st single around March then!!!!!!!!