Note: The sounds are a bit harsh at the beginning, but it gets better when I switch to the smaller bags. :) Also, my nail polish: One coat of Sally Hansen "Therapewter," covered by two coats of Pure Ice "Studette," followed up with one coat of Revlon Quick Dry Top Coat.
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