How can I find out the list of users who have this artist in their audio recordings?

Question

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How can I find out the list of users who have a given artist in their audio recordings, as well as find those who have a specific audio recording?

Answer 1

No one answers, I will answer. VK API, as well as the capabilities of the social network itself, do not provide for such functionality. But.
If you want thrills, you can look towards the audio.get and execute methods and start iterating through all the VKontakte user IDs, checking each for the presence of a particular song. I don’t know how many days one such enumeration will take you, but if you really really want to, then try it.