Zuo Yi: Born in Shanghai on January 20, 1997, he started practicing singing at the age of 7, and began posting cover songs online at the age of 8. He is a popular Internet singer and has performed on stage many times, but other He has never received professional vocal training and is completely self-taught by singing along. The total popularity of his Tom audio homepage and personal video homepages on Tudou and 56.com exceeded 10 million in 2007, and exceeded 20 million before his debut. In August 2010, he participated in Tian Tian Xiang's "Road To Asia" Day Day Up event and is now a member of the RTA youth group. Zuo Yi's singing voice is pure and natural, the high notes are bright and explosive, and he has a strong ability to interpret English songs. And as an ordinary middle school student, Zuo Yi has excellent grades and is both good in character and academics. 2012 was a critical year for Zuo Yi to change his voice.

Xu Hao: became famous after participating in the "Road To Asia" Day Day Up competition. He is the captain of the youth group of the new generation youth idol group RTA (one of the hosts of "Young Evolution"). His natural baby face and his unique and charming voice make him a good and popular captain in the youth group.

Chinese name: Xu Hao Foreign name: Xiho Alias: Xiaohao, Haohao Nationality: Chinese Place of birth: Xintian County, Yongzhou City, Hunan Province Date of birth: 1994-01-25 (lunar calendar: the fourteenth day of the twelfth lunar month ) Occupation: Host, student Graduate school: Changsha University (currently studying) Representative works: "Youth Evolution" and "you are mine" Group: RTA

Liu Junlin, born on August 17, 1995, currently Studied at the High School Affiliated to Sichuan Conservatory of Music. A member of the youth group RTA. One of the main members of Hunan Satellite TV's Tiantianxiang Upward Force and a famous drummer at Sichuan Conservatory of Music. Known as a creative musical talent. Chinese name: Liu Junlin Foreign name: Tank Alias: Xiaoyan, Yaoer, Junlin, Liner, etc. Place of birth: Dazhou City, Sichuan Province Date of birth: August 17, 1995 Occupation: Singer-songwriter