Is this an error or the new wave of commercialism at Apple, now they've turned middle-aged?
The home page icon for the track says 'free download - single of the week' - but when you go in there, it is priced at 79p like any other track.

The home page icon for the track says 'free download - single of the week' - but when you go in there, it is priced at 79p like any other track.