M.I.A.'s usual style blends the profound, profane, revolutionary, and childish simplicity that could be accused of being the weakest writing anywhere. However, her work is always controversial, in your face, and thought-provoking. And of course, the sound is unlike anything else.
I'm not going to pretend to understand Aradhna completely...but from what I understand, the main guy is a missionary kid who went through an intensive traditional Indian music internship and sings traditional Indian music with a Jesus bent on it. Since I don't speak Hindi, I'll take their word for it and just enjoy the relaxing east meets west sounds. :)