Mutya's [EDIT: Actually it's Keisha but not to worry] confirmed that there will indeed be some new music from her, Keisha and indeed Siobhan at some point this year.
"You will definitely have music this side of 2013," she [Keisha] told someone from Look Magazine (as quoted here). "Maybe not the album but at least some tracks!"
But what will it sound like?
"The new music will be so different, it's going to be — dare I say it — quite Sugababes-ish." So not that different really.
"We all have so many different influences from the 90's and onwards," she continued.