Requests started in 2011 from U.S., U.K., Brazil, Saudi Arabia, Greece, and others. This part is Level 6.
https://sites.google.com/site/pianoandmathtutorials/yanni-works
Jane's list of tutorials:
https://sites.google.com/site/pianoandmathtutorials/piano-tutorials
Jane, a retired university math teacher, started this volunteer project in April 2009. Positive feedback from wonderful viewers worldwide keeps her motivated. Jane is a strong advocate of reading music. She made unconventional sight-reading lessons that simplify reading music.
https://sites.google.com/site/pianoandmathtutorials/sight-reading-lessons
