I think the loophole here is Spotify, because with all that knowledge, you are two or three relatively minor skill issues away from total musical mastery
I think it would be like drawing. If you don’t have aphantasia and have an epic image in mind, and basically only be able to put it down in stick figures.
In this case, you might know what strings to press and how hard to strum those strings. But you still need to get your fingers on those strings without tangling them and know how to pluck and strum them.
Netflix if it allowes movies already watched. Give me them Marvel royalties. Otherwise Chrome for endless information gathering, or Spotify to revive lost songs and symphonies.
Amazon, 100%. Bezos doesn’t get any money out of me, and Amazon has fucking everything. Sure, the quality varies sometimes, but who cares if you end up with a dud item when you can just try another listing for free? I’d order shit on the daily just for the fun of it, maybe start an unboxing channel even.