Robots in disguise - turn it up?

can anyone tell me
when one of them is singing
"In "Ashes To Ashes" I'm falling falling
In "Ashes To Ashes" I'm losing losing
In "Curl" and "Grazes" I'm feeling feeling
In "Curl" and "Grazes" I'm losing losing"

whats the other one singing in the background
i think its dee in the background
but what is she singing?
if any of you know

la la la la