effective playback. According to the query of music finance, the amount of songs promoted by qq music cover is calculated according to the effective play of songs in the song list. Each song is played for an effective time, or it is played completely, that is, it is played once. QQ Music is a music streaming platform belonging to Tencent Music Entertainment Group. Since its establishment in 25, the total number of registered users of QQ music has reached 8 million.