Music and AI features are still lagging in Immich, and I can understand why. Immich machine learning is not flushed out yet. If Immich has plans for creating marketplace for extensibility like plugins, in the current era of Claude code, I am sure we will end up with many options or features.
Like Memories feature in Apple which uses media to make short form video but also picks and plays music with them. We love those videos. Enabling feature like that involves understanding metadata and media and music.