We all watch YouTube videos for guidance and inspiration. How to judge a video? Some are good but some are dreadful and misleading.
Good places to start.
You've got to learn your instrument. Then, you practice, practice, practice. And then, when you finally get up there on the bandstand, forget all that and just wail.
I'm a professional pianist and music educator in West Toronto Ontario. I'm also a devoted percussionist and drum teacher.