The specific operations are as follows:

1. Open the QQ Music APP and click the three horizontal lines button in the upper right corner of the personal center interface.

2. Select the bounce function in the settings center that opens, and click to open it.

3. Click the music library option in the upper right corner of the play interface.

4. Select a song with a simple logo in the music library list and click to open it.

5. In the song playback interface, when the slider coincides with the horizontal fixed area, click to get the perfect reward.