Thus the aristocracy took their revenge by singing....

“ Thus the aristocracy took their revenge by singing lampoons on their new master, and whispering in his ears sinister prophecies of coming catastrophe.In this way arose feudal Socialism; half lamentation, half lampoon; half echo of the past, half menace of the future, at times by its bitter, witty and incisive criticism, striking the bourgeoisie to the very heart's core, but always ludicrous in its effects, through total incapacity to comprehend the march of modern history. ”

Karl Marx

From : The Communist Manifesto