That is Pandora's entire business model. They (used to?) have music majors review every track that came in on a bunch of criteria.
Sadly it never seemed to really scale and even to this day Pandora doesn't recommend the same broad swaths of music that Spotify does, but Pandora's recommendations tend to be more on point.
Sadly it never seemed to really scale and even to this day Pandora doesn't recommend the same broad swaths of music that Spotify does, but Pandora's recommendations tend to be more on point.