By2

By2 is a Singaporean duo based in Taiwan and signed under a 10-year contract with Ocean Butterflies International. The duo is composed of two female twins, Miko Bai and Yumi Bai, they debuted with their first studio album, NC 16.

The duo gained attention at the start of their career with their first two studio albums, "NC 16" and "Twins", but it was not until 2010 when they released their third studio album, "Grown Up" they gained significant popularity, with the album topping Taiwan's music chart, "G-Music" and several music charts in China. The album was responsible for 33 percent sales of albums in the Chinese market and 18 percent sales of albums in Taiwan during the week of 9 April, to 15 April 2010.

Personal life

Their duo band was named "BY2" after their surname "Bai" and that they are twin sisters. Their father died of cancer in 2007 when Miko and Yumi were 15 years old. Their father had hoped that Miko and Yumi will not give up on their dreams under any circumstances, thus encouraging them to actively pursue their aspiration of becoming singers.