Decide on the genres you'd like to allow in your music collection. Just high level, fundamental genres? Or specific, fine-grained genres?
bliss assesses all of your albums to check if they are within your permitted genres If they aren't, bliss marks them as so and offers a one click fix to bring them in line.
bliss offers fixes to change genres that are disallowed. bliss finds the genre online and converts that to a genre you have permitted.
With fewer genres and a more coherent strategy to which genres you have, your music collection becomes much more navigable.