thank you first and foremost for your information your an excellent teacher im just starting out i even recommended you to my younger brother to learn. i do have a few questions i need to ask you when i proceed to new exercises i dont want to lose any skill that i previously learned so is 30minutes practicing old exercises for 30 minutes while practicing new exercises for 2hours good and also when is a good time to start practicing chromatic skills and cords i have a very long long long long way to go just need some input i will indeed use your practice sheet