Well, I think we should certainly stamp out anything in the past that doesn't conform to enlightened present thought.
Ernest Hemingway once said, I believe, that American literature really began with "Huckleberry Finn." But that novel uses the "N Word" throughout, so it should be outlawed.
In Victorian times, people didn't want Shakespeare published because it had sex and dirty words. Now that's fine, but Gawd forbid anyone should want to perform "The Merchant of Venice." Sheer anti-semitic propaganda!
And how about a public document that says: "He (the King of England) has...endeavored to bring on the inhabitants of our frontiers, the merciless Indian Savages, whose known rule of warfare, is an undistinguished destruction of all ages, sexes and conditions." Obviously, any writing containing such a slander of "...the pre-Columbian settlers of the Continent..") (gag me with a spoon!) should be stricken utterly from the archives.
Songs are only a small part of the problem! Any writing or speech that in any way suggests that any difference whatever exists between any people whatever, must be stamped out, so that we can become an utterly homogenous mass, like one big amoeba...