alt Hacker NewsThe same with movies, TV shows, and video games using licensed music. If you agree to let a song be in a work you should expect that song to be in that work forever. I'm tired of media never seeing the light of day because of the expense of re-licensing the music or even having it re-released but with all the music removed or replaced by generic tracks.
Such contracts can and have been negotiated. It's simply - as logic would dictate - more expensive. Just like buying a house is far more expensive than renting it for a few years.