we can talk about sales or art but not bothWE have sub-genres/categories. The industry not so much.
creative vs commercial
musicians including producers / arraigners / composers songwriters have always establish the genres and their sub genres
the reason some artists are quick to diminish the "crossover" artist as commercial or sell out
Rolling Stone also reports on politics finance and does investigative reportingRolling Stone will cover ALL genres of Rock (also the occasional rapper) The Source not so much.
Source aimed at a very select portion of hip hop music and never sought to approach the other pillars of hiphop nor the underground / grassroots music outside nyc
hip hop does not line up well with rock - it would be better to draw comps to jazz