Ada (ADA, January 31, 1993), a mainland female singer, was born in Lufeng, Shanwei, Guangdong Province, and devoted herself to music artists. On October 29th, 212, the first single "Ten Thousand Reluctances" was released.

Xiao Quan, a singer and music producer, was born in Hepu, Guangxi on September 16th, 1982. In 212, she collaborated with Dedicate Music and served as production director, and released a solo music single "Positive Energy".