TVXQ - Something

"Something" is a song by South Korean pop duo TVXQ, also known as Tohoshinki in Japan. 

Serving as the lead single for their seventh Korean studio album Tense (2014), the song was produced by TVXQ's long-time collaborator Yoo Young-jin and co-written by Yoo with his brother Yoo Han-jin.

Introduced as TVXQ's tenth anniversary comeback single, "Something" was released by S.M. Entertainment on January 6, 2014. Two versions of the song exist; the original Korean-language version, and a Japanese-language version, which was released by Avex Trax as a double A-sided CD single, along with "Hide & Seek", in Japan on February 5, 2014. 

It served as the fourth and final single release for the duo's seventh Japanese studio album, Tree (2014). Within a week of its release, the single was certified gold by the Recording Industry Association of Japan (RIAJ) for shipments of over 100,000