If it's someone like Leah Dizon or OLIVIA, who only have one or two songs in kanji, then yes, I want them to be in kanji. However, if it's an artists whose songs are all in kanji, I prefer to tag them with romaji, otherwise I don't know what song it is... I mean, I can recognize the music, but if it appears in my recently listened tracks, I wonder, what song is that??
To me, that's a perfect excuse. I left the chinese symbols on alan's chinese album, and now I don't know which song is which when I want to listen anything from it