It's been a while since I was last able to do one of these, and I apologize for the wait. Now, let's organize that nail lacquer! You know it's going to be a good one because, once again, they're totally out of Traffic Cone! 👍👍
To listen while using other apps, switch the player to Picture-in-Picture (PiP) during playback — it keeps playing in a small floating window (the screen stays on).
To listen with the screen fully off, in-browser playback stops by YouTube's design. Open the video in the YouTube app to keep listening where background playback is supported (e.g. with YouTube Premium).
Open in YouTube app