No.
a. The material is copy protected and plays only on approved (read: Apple) devices.
b. The song is part of the video file, not a separate file. If you want the song, however, iTunes is now DRM free (along with a bit of effing with the music after you've bought it).
There is scarcely anything in this world that some man cannot make a little worse and sell a little more cheaply. The person who buys on price alone is this man's lawful prey. - John Ruskin