Impact of digitization on entertainment lawyers

Connecticut lawyer James Walker Jr. has written about the "extinction of the CD." In Digital Explosion Changes Landscape for Entertainment Lawyers, Walker - who is the author of This Business Of Urban Music - observes that
With declining sales and the rise of digital downloading through iTunes and other outlets, we soon may refer to the CD in the same manner as we do the audio cassette, 8-track and vinyl record: outdated and an antique.
He then outlines the consequences of this development, for entertainment lawyers.