And from a practical perspective that is not how it works unless you are in the mainstream. Further, independent labels don't enforce this rule against DJs, and

And from a practical perspective that is not how it works unless you are in the mainstream. Further, independent labels don't enforce this rule against DJs, and entire scenes thrive without hearing a single track from any of the big music labels. And besides, good luck asking any of these crews to provide that information, let alone payment. Very few people are making any significant money Pay-for-performance is bullshit, copyright owners should not have any ability to control how the work is reproduced once it is released to the public.