Apple Music LG WebOS: Screensaver during lyrics playback

Apple Music on LG WebOS turns screen black during playback

I’ve noticed an issue with the Apple Music app on an LG QNED93 TV (WebOS).

When listening to music on the lyrics screen, the TV activates the screensaver and the screen turns black after about one minute of no interaction, even though the music is still playing. This makes it annoying to use the lyrics view, since the screen has to be turned back on constantly.

Other streaming apps don’t turn the screen off while audio playback is active, even if there’s no user input.

Is this a known issue, and is there any way to prevent the screensaver from activating during playback?