[Video Link] Rush's attorney sent a cease and desist letter to the The Rush Limbaugh Show. From the letter:
According to media reports, Rush Limbaugh, Premiere Radio Networks and The Rush Limbaugh Show have been using Rush’s recorded music as part of what is essentially a political broadcast.Bob Cesca: Rush Pulls Music from Limbaugh Show
The use of Rush’s music in this way is an infringement of Rush’s copyrights and trademarks. The public performance of Rush’s music is not licensed for political purposes and any such use is in breach of public performance licenses and constitutes copyright infringement. There are civil and criminal remedies for copyright infringement, including statutory damages and fines.