This article is from EdCircuit, October 28, 2016. Many studies have been published on how music helps our brains develop and stay active in our later years. According to the author, 90% of our brain development occurs during the first five years of our lives. Music forces us to use more parts of our brains and increases intellectual capacity. Speaking as someone who plays the piano – badly- I can say music is also very relaxing and great stress remover.
Flat is a free (and paid) app that lets users compose and create sheet music. You input your score using a MIDI controller or a mouse. The paid version costs $4.95 a month.
This article describes how a small rural school district turned its students into music composers with the Soundtrap online recording studio. It caught my attention because I am a musician and (bad) piano player.
I don’t think any of these tools would help me to learn how to play the piano, but they look like they would be fun for students to use.