I like the idea of a goals list better and I may write one up, probably as quickly as I can and as you say, embellish it with a little more detail throughout the year. It's hard to know what the year will bring entirely, there are some certainties which I will blog about as they happen.
Have you ever come across Obsidian? I do use that for note making and documenting what I learn throughout the year. In conjunction with the Readwise app, I capture paragraphs and quotes when I see them which are added to my Obsidian vault... ok there is an article here, series of articles to post.
Aum, yes it is an iOS app (maybe there is an Android version) and it's more of a mixer into which you can channel various software instruments, apps that use the AU protocol. You can consider the approach as being "modular" to a degree. It's an addictive thing because I'm not a musician in the normal sense of the word, but I understand the theory quite well. There are a number of tools for creating organic rhythms, fugue patterns and a whole host of different things... another series of potential posts!!!