[T:TIME] TAEHYUN's of vocal cords knowledge - TXT (투모로우바이투게더)

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투모로우바이투게더,TOMORROW X TOGETHER,TXT,연준,수빈,휴닝카이,태현,범규,YEONJUN,SOOBIN,HUENINGKAI,TAEHYUN,BEOMGYU,빅히트엔터테인먼트,빅히트,