Hi there! in this video I am tapping and scratching my old MacBook Pro, don't worry it's already not working anymore. Sorry for the odd humming in this video, I live in an old building so sometimes there might be some background sounds, hope it won't bother you too much!
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