So far I have D,A, and E... I do have to say.. its tough... I mean getting a nice clean sound... its tough... but hey nothing in life is easy and I will practice no less than 15 min a day... right now I keep it right at 15-20 min otherwise my fingertips are screaming... once they toughen up I can see messing around for 1/2 to a 45 min.. if I am busy.. more if I want to just goof around...
AL