I feel like all recommendation systems already do similarity well -- and it's not what I want. True, similarity matters to some extent, but my dream is something that can accurately predict what I'd like. Often I'll only like a song or two from a given artist, so finding artists similar to this artist are often useless.
Related question: I wonder if identical twins are good at recommending each other music
Related question: I wonder if identical twins are good at recommending each other music