I would like to know who rates the difficulty of the lesson the teahcer or GMC, because if the teacher is the one that rates them is something very relative, i think there should be some parameters to rate the lessons.
For example part 1,2,3 of Asturias have 3 or 4 of difficulty level and part 4 has 5, and Etude in A minor - Giuliani has 5, and in my opinion the etude is a much easier piece for example. What do you guys think about the ratings?
Its all relative to the instructor for Vinod or Kusei every piece is easy thats why he puts very low difficulty to most of their lessons for example.