My favorite part is when I go ffrporett fpprrttf fffppert.... personally. Oh and sorry about the random humming sound that happens around 8:45 ...my house is old and it likes to remind me of that by making random noises. It's cool and fun and I love it a lot.
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