history2001
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- twenty-third single release
- like, love, need…
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- tenth album release
- O
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- music clips video and dvd release
- espressivo IV
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- concert tour
- musica spazio IX "O" tour '01
- thirty-two shows
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- PIONEER LDC～WARNER MUSIC JAPAN
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- best selection album release
- ballads
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- twenty-fourth single release
- 横顔
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- live show
- summer special '01 "yone's nice&easy vol.2"
- thirteen shows
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- concert video and dvd release
- O means O
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- best selection album release
- yone's BODY&SOUL II
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- third concept album release
- gift
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