3. The details are as follows:

1. Taylor Swift's fifth digital album "1989 (Deluxe)" released in 2014 has achieved double diamond record certification on the QQ Music platform. This is Swift's second QQ Music Double Diamond certified album among her digital albums. With this record, he became the first European and American singer to have two diamond-certified digital albums on the QQ Music platform.

2. Since 2014, Jay Chou's new album "Ouch, Not Bad" has been exclusively released as a digital album on QQ Music, pioneering the digital album model. Since then, from Lu Han to Li Yuchun and Dou Jingtong, QQ Music’s digital album sales have hit new highs. In 2017, QQ Music’s digital album sales were nearly 200 million yuan.

3. In 2016, Li Yuchun exclusively released the "Savage Growth" series of albums on QQ Music. The 12 songs are divided into four sub-albums: "Wild", "Barbarian", "Born" and "Growing". Released separately, the album's final sales reached more than 35 million, making Li Yuchun the first singer in the history of Chinese digital music to have digital album sales exceed the 6.5 million mark.