First of all, the first song is called "Gambling", composed by the famous creator AG, and then sung by the online singer Da Zhuang. The melody of the song is very strong, and it is often used as a dress-up video in Tik Tok, which is very emotional. DJ Xiaoyu also adapted this song, adding electronic components, and the whole BGM became more cheerful. The second song is called "Never Want to See You Again", and the original song is called nineone, which is an English rap song. Compared with the pure music part of the song, it is more popular and used as the background music of various videos. The third song is called Haagen-Dazs, which is a famous ice cream brand. This is a children's song. But the audience of this song is not limited to children. Many young people also like it. The childish voice in the song makes people unconsciously hum along, as if the whole person is full of childlike interest. The fourth song is called pump it up, which is the background music of aerobics.