Interestingly this lyrics video has a significantly longer average view time than the prior green screen video. Which makes me wonder is it worth going through all that trouble with the green screen? I suppose if I did a cute cat video it would do better than all previous attempts.
I'm not sure how much average view time means though. People sharing links count for about 1 second of view time. That's actually probably a more "valuable" view than somewhat watching 1 minute and thinking "nah, not really". So the statistics can lie a bit. Obviously I can't see your stats, so that's all hypothetical; but it's worth thinking about the different types of short views and what they mean. Sometimes it's just people not realising that you can turn off autoplay...
I'd have said - if you ask me (which you didn't but whatever) - that the real criteria should surely be what you feel like doing or feel that the video needs. If you actively want to do something with the green screeen, surely you should do it for yourself, not for potential YT views?
I guess what you really need is a greenscreen video featuring a cat. Maybe you can get all dressed up like a Bond villain, with a big white Persian on your arm... I dunno, I think you could pull that off.