Take the iPhone 11 mobile phone and QQ v8.4.17.209 as an example. You can refer to the following steps to use QQ Music to listen to songs together:

1. After opening QQ on your mobile phone and entering it, in the chat interface, Click the plus icon below.

2. After clicking, select the "Listen to Songs Together" icon below.

3. After entering the Listen to Songs Together interface, select the song you want to play and click the plus sign at the back.

4. After clicking to add a song, click the option below to listen together.

5. After entering, you can use the listen to songs function of QQ Music to listen to songs.