【SixTONES - こっから 歌声分析】結成初期からの進化がヤバすぎた件！
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[SixTONES - Everlasting singing voice analysis] A singing voice that feels the cry of the soul
41:35
[SixTONES - Imitation Rain singing voice analysis] The orchestra-like singing voice was the best!
33:26
A voice trainer thoroughly analyzes Snow Man Shota Watanabe's singing voice!
37:49
[Kis-My-Ft2 Good work! Singing Voice Analysis]
25:20
[SixTONES singing voice analysis] I found something amazing in common with their singing voices!
45:03
【Kis-My-Ft2 Singing Voice Analysis】 Glory days' singing voice has evolved tremendously!
35:29
SixTONES BOYZ Singing Voice Analysis] The evolution of the singing voice never stops!
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