Music as Pro-War Propaganda

I can't say that I'm exactly suprised that the U.S. government created the Office of War Information during WWII, or that they made pro-U.S./pro-war propaganda a major priority in the 1940s. The specificity of their Film Guidelines for movies produced during that time was pretty crazy though. The fact that the government was able to take such control over popular media is almost a bit scary. Yes, the rations and constant news broadcasts were to be expected with such a massive war effort being put forth. But the manipulation of the film industry to benefit the war? Pretty ridiculous if you ask me. What I am really suprised at is the shift the film and music industry have undergone since the time of World War II. While it seems that back then, all efforts were made to use popular media outlets to create a sense of nationalism and support for the military, popular film and especially music from the 70's on has been geared toward anti-war sentiments. A prime example is the widely unpopular Vietnam War, which was essentially the impetus for a new genre: folk protest music. However, it's important to note that the shift from pro to anti-war expression in popular culture did not abolish the use of propaganda. Just because a movie, song, or band isn't pro-America or pro-war like during the 1940s doesn't mean that it is not propaganda with an opposite point of view.