To change the “Display username” setting on your profile: 

1. Tap the Profile tab on the bottom navigation bar 
2. Tap Settings ⚙ 
3. Tap Privacy 
4. Toggle the “Display username” switch to your desired setting.  

While the “Display username” setting is turned OFF, your play mode will default to Anonymous, and your songs will appear as being played by “Anonymous” in the song queue. 

While the “Display username” setting is turned ON, your play mode will default to Public, and your username will appear next to songs you play in the song queue.

You can also temporarily change this setting for a single song play using the toggle switch that appears above the album cover after selecting your song.