Originally Posted by
KLH
For permission, this is where it gets murky quickly. Most commercial music lets anyone play it for personal use - which includes listening and practicing DJing. The moment you perform publicly (in the US), commercial music companies want to be paid. Since events are usually held in large venues, these venues usually have performance licenses with music companies that cover DJs. If the venue is a school, church, or government office, the "fair use" law tends treat the performance as an extended personal use.
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