Many people who simply enjoy listening to popular music do not realize that it has been used to express religious and political messages. After all, popular music has repeatedly been adopted by social movements to express their viewpoints, since it has the potential to contribute to the "conversion" of nonmembers to morale and to express the solidarity of the movement's participants.
What this question is testing
Conclusion
Plenty of people are happily humming along to their favorite tunes, blissfully unaware that those songs have been deployed as instruments of religious and political persuasion.
Evidence
Social movements keep borrowing popular music because it is a triple threat: it can win over new converts, pump up the faithful, and make everybody feel like they are in this together. Not bad for a catchy melody.
Evaluate
The "after all" in this argument is doing the heavy lifting — it signals that everything that follows is the reason, not the point. The first sentence is the destination; the rest is the road map. People think popular music is just entertainment, but the evidence shows it has a whole second career in political advocacy.
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