The Rock festival reference article from the English Wikipedia on 24-Apr-2004
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Rock festival

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A rock festival, or rock fest, is a large-scale outdoor rock music concert, featuring multiple acts, often spread out over several days. The first rock festivals were put on in the late 1960s and were social and sociopolitical milestones as well as musical events. Later rock festivals were increasingly commercial endeavors. In the 1980s a minor resurgence of festivals occurred with charity as the goal.

Important rock festivals include: