At a cost lower than an hour with a good tutor, become intuitive with every jazz scale, playing it totally by ear in mere DAYS. This app develops your fretboard knowledge in the most musical and natural way possible, just use it for 30 minutes each day and you will become the jazz guitarist you always hoped to become. All the jazz and bebop scales, all the positions and shapes, you will break free from the usual pattern thinking, your fingers will just know their way around the fretboard, led by your ears! This is pure joy, to be able to stop struggling and play the guitar that way, naturally and easily.