No need. The function of the QQ Music Daily Sign-in Card is that if you sign in for a specified number of days every day, you can redeem 1 to 7 days of luxury green diamonds, points, lottery items, etc. for free, so no money is required. QQ Music is a free music service launched by Tencent. It offers massive online listening of music, online premiere of the most popular music, lyrics translation, mobile ringtone downloads, etc.