I seriously have the world when it comes to filming a video! Here's the link to my PayPal account. Once again, DO NOT feel obligated to donate, it's just there for those who choose to. https://www.paypal.com/us/cgi-bin/web....
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