I was listening to Janet Jackson, then a song listed that it was by "Janet". I clicked her name and was taken to music from an assortment of Janets, not just Janet Jackson. I was offered the chance to play through this clashing assortment of tracks as though I was feeling a bit bipolar. Either there's a bug in saving the artists for this music or you have a silly interface that deliberately groups unrelated artists just because they have the same name.
It was too difficult to report this bug btw, you're lucky that I bothered helping you.