How influential is political music?

Political music moves people to have powers in which they were not aware they had. There is all sorts of word play and lingo that makes music influential in politics. In the history of the United States a lot of songs that are geared toward politics are songs that represent massive movements not just one particular topic. The topics are often a trend. Things that are being built up over time and the songs are just fuel to the progression of these movements. Songs have the power to make you remember subject matter better: cognitive content. The lyrics rhyme the tune is catchy which keeps the listeners of these subjects well informed. This cognitive content makes political music a powerful tool. I recently visited a Black Student Union lecture at the College of San Mateo in which they talked about hip hop and if it has been high-jacked. One of the points that was made was that the music is a tool to reach outsiders of educational institutions so a problem that could be had with political music is that it is the only source to some of the citizens within our community. If all of the opinions in these songs are not well formed, fact based thoughts and views then what does that say for the people who use these songs as their main sources? It means lack of well thought out opinions.