Audiopraline`s sweet riddle

 Do you know who is Carla Werner and with who she collaborates, so that to create one of the most significant tracks in the history of EDM music?
A hint: he is one of the most popular world wide famous electronic producers, a North American.
Second hint: Brittany Murphy.

Which song is that and who is the producer?
Post your answers as a comment here or on my Facebook page.