Pentatonic Guitar Scales Most of the beginners have the difficulties in learning the scales. There are many types of scale but as a beginner you have to learn the pentatonic scale. Today I will show you step by step procedure to learn the scale. List of Scales(Reference purpose): 1. The Minor Pentatonic Scale. 2. Major Scale. 3 The Blues Scale. 4. The Natural Minor Scale /the Aeolian Mode. 5. The Major Scale 6. The Dorian scale.