https://thenextweb.com/reviews/2018/06/15/review-the-one-smart-keyboard-pro-uses-rgb-lights-to-help-you-play-piano/

Learning to play the piano is hard. I know; I’ve been trying for almost a year, and wrote an article on my process and struggles a few months ago.

Not surprisingly, there are to a myriad of apps, websites, and other tools pop up over the years in order to make playing the piano easier. In many cases, these tools try to simplify the process by introducing a visual element to help you map and time notes without needing to know sheet music.