https://www.thebmusproject.net/p/online-piano.html
How to play the song Twinkle Twinkle Little Star - Music By Numbers Piano Lesson
One of the best tunes in the world.
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Free Playing Music by Numbers e-book
https://www.thebmusproject.net/p/free-pdf-ebook-of-easy-piano-melodies.html

Click the link for a worksheet that also shows LH Bass part:
http://blagmusic.blogspot.com/2010/07/piano-lesson-music-by-numbers-classic.html