I don't know about Namie composing music, but I do know she's done some of the lyrics in her discography (or at least contributed.) But you're right. If she doesn't release them, how can they be of concerned to us?
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And Namie is under her own private sub-label, Dimension Point, that Avex created so she wouldn't leave their label after they butted heads a couple years back about her lives. Also, she's stated in an interview for _genic (I'll find the link later) that she chooses the songs herself and decides whether to sing them in English or not. Right now she likes doing songs in English because it 'sounds cool.' (though I doubt she actually knows it. At least, not as fluently as Ayu and definitely not as fluently as Utada xD) But she does have control over her career now--maybe not in the beginning--but I think, when it comes to releasing her music, she is the one behind the drivers wheel. Everything else I assume she relies or considers heavily on her teams opinions and such, but when it comes to the music itself nowadays it's all Namie. Well, unless she's doing a promotion like Hero or the soon-to-be-released Dear Diary/Fighter for that Death Note Live Action movie/mini-series/I don't remember what it was. I bet those are chosen by others, but for her albums/singles I'm 95%-100% sure it's her.
...I'd keep going but this is Utada's thread and I've hardly even mentioned her in this post. So I'm just going to stop here. I just wanted to spread the Namie love, that's all.
