Two minute jazz piano

Since I started my new job, my practice time has become more limited, so I’m always looking for new ways to learn new things in a short time. It’s no surprise, then, that I was attracted to Peter Martin’s 2 Minute Jazz Piano series on YouTube. Perfect length for a short tip to work on in a limited (or longer) piano session. For example, here’s a quick refresher on broken 3rd scales, which I should have remembered last week when I had to play a very fast “Cherokee”:

Are there any other things like this I need to check out? Please let me know in the comments.