IIRC it's not just actual artifacts, but also statistical measures, i.e. songs that are "inhumanly average". If they're not doing it already, I think some meta

IIRC it's not just actual artifacts, but also statistical measures, i.e. songs that are "inhumanly average". If they're not doing it already, I think some metadata analysis, going by things like upload patterns, would also work well.