Tone (stylized as TONE) is the fifth Japanese studio album (tenth overall) of South Korean boy band Tohoshinki, released on September 28, 2011 under Avex Trax in Japan. This is Tohoshinki’s first Japanese album as a duo, with members Yunho and Changmin participating on this project, as well as their first album under the main Avex Trax label. The album debuted at number one in the Oricon Weekly Albums Chart, selling 205,000 copies on its first week of release in Japan.

Track name:       I Think U Know
Work:                  Written & produced by Dsign Music
Total sales:        331.320 physical copies
Album charts:    #1 US Billboard Japan Top Albums
.                           #1 Japan Album Charts
Certification:      Platinum