I enjoy beer in a very similar way to how I enjoy music, and I recently realized music and beer have something in common.
I can find music by Chopin or Mozart or Joplin, written by them. I can learn to play it just the way they wrote it down. I can go to a performance by AC/DC and if I listen enough times, I could write down every part of the music that they play. I could search the web and somebody has already done it for me.
But if I got on a stage and started playing their music, would anybody think I was AC/DC or Chopin or Mozart? Does anybody like cover bands as much as they like the original? Do bands have to credit and pay royalties when they cover a song by another artist?
In brewing I guess 'process' is the way to describe what it is that a brewer has that nobody else has. I don't know what it is in music, but there is only one AC/DC. They put their music out for everybody to enjoy and partake of, and people can and do try to copy it all the time. But there is still only one AC/DC.