I don't understand the sealing and ex-parte motions in this case. It looks completely corrupt. They're claiming that the archive would have released all the material publicly if they were allowed to know an injunction was about to be filed against them. Yet all those songs certainly have illegal copies already being distributed on the internet. So what was the actual harm being prevented here? I cannot understand how…
There's a huge difference between a ton of individual torrents or files you need to individually search for, identify, of varying quality, that may be mislabeled and have other sorts of quality issues, and which in no way approach "all" music...
...vs a single, shockingly comprehensive repository of uniformly high-quality music which does, in fact, approach "all" music.
If I wanted to start a pirate music service, it would become vastly easier with this particular repository. Many orders of magnitude easier. That's the actual harm.