She has always freely admitted being like a little girl in many ways, and furthermore, happily presumes she'll still be that way in her dotage. It's certainly still a factor on Aerial, both in the track "Bertie" itself and in the memories and reminiscences that cobweb some other songs. But compared to the darker corners of the mind sometimes mined in earlier songs, the new album seems a much sunnier affair: an enduring image I took away from it - not necessarily a lyric, though it might have been - was of windows flung wide open, their curtains billowing out in the breeze, a room's long-dormant dust stirred into life again.