@karen
Well, her Harmony to Luna singles are alright...everything started to get really good when she released Mou nid to.
and then um, her three beni arashiro albums, Beni, Girl 2 Lady and GEM were not so good, imo. You guys could still give them a try and see if you like them

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Here's her jpopstop page so you can see what you need.
http://wiki.jpopstop.com/wiki/Beni