"We Were in Love" (우리 사랑했잖아, Uri Saranghaetjanha) is sung by T-ara & Davichi.
T-ara (/tiˈɑːrə/; Korean: 티아라, Japanese: ティアラ; often stylized as T-ARA or T♔ARA) is a South Korean girl group that debuted in 2009 under Core Contents Media. Before their debut, there was a high level of interest in the group as they were called the "Super Rookies" and had been training for three years prior.
Davichi (Hangul: 다비치) is a South Korean pop-ballad duo that consists of Lee Haeri and Kang Minkyung. The duo was formed in 2008 by Mnet Media.
"We Were in Love" is well known by Chinese people and if you like it, you can also download free We Were in Love sheet music to play with Everyone Piano. Just Enjoy It!