G.O.P. Candidates Are Told, Don’t Use the Verses, It’s Not Your Song; New York Times, 2/3/12

James C. McKinley, Jr., New York Times; G.O.P. Candidates Are Told, Don’t Use the Verses, It’s Not Your Song:

"Experts on copyright law said such licenses, usually bought by restaurants and other businesses that play recorded music, do protect the campaign from many copyright complaints, but a politician can still be sued under the federal trademark law for false advertising if the use of the song implies that the musician has endorsed the candidate."