The singer releases her new LP, The Entertainer, in November and told BBC Breakfast that she had a lot of fun recording it.
"The album is a lot of fun actually," she said. "It's very colourful, full of energy and the production is quite tough."
She confirmed: "I'm MCing again on this album, which is something I used to do when I was Mis-Teeq. It was a lot of fun to make the record."
The term confused presenter Susanna Reid, who asked her to explain what it meant.
"Oh [it's] rapping," she said. "When I was in Mis-Teeq, I was known as MC/rapper of the group and it was this weird noise that used to come out of my mouth. Kind of fast taking, which I'm kind of good at, with a slightly different tone to it. "
She added: "I know that sounds odd!"
Dixon releases 'Drummer Boy', the first single from the new album, on September 5.
> Alesha Dixon "ready" for America