The request is valid; you just need the right tools for the job.
Story Jam lets you design chord progressions without needing to know about music theory, instead offering intuitive terms like "lightness", "darkness", "drifting" and "roaming". They mean about what you think they mean.
Yeah, I'd think that it will take commoditized generation tools that existing or new composition multi-tracking tools could incorporate. i.e. FLStudio plugin