MIDI (Musical Instrument Digital Interface) is a standard in the digital category of musical instruments. To make a long explanation short, any piano piece I play that is captured or recorded into MIDI format, can be sent to any MIDI device (another musical instrument) or computer program to digitally play back everything I recorded.
So when I record my performances, you can bring a MIDI file of my performance into a program like Synthesia which can then display the music notation - as well as a cool visual of what notes are about to be played next! This is a super way of learning new music... even if you don't read music notation!
I have just started this availability, but for the MIDI files that I've currently made available, you can purchase those for just $1 USD each, and learn to play them EXACTLY the way I played them! Many people have been asking for me to make these files available, and now I am.
To watch my performance(s) of what MIDI files are available, click here!