First of all I have to say that I love tonebase dearly and I am thankful to whoever founded, cofounded and have given lessons on it. To me tonebase is the is the most valuable and important digital platform so far for classical guitar lover. Lessons on tonebase which are very focusable on a specific techniques are very helpful and can help players at all level improved. sincerely speaking a few months with tonebase help me solve many issues I have had with my fingers in years if not decades. Thank you tonebase