The Pentatonic Scales "Penta meaning 5 in Greek" are basic versions of the major and minor scales. The Major and Minor Scales have 7 notes and the pentatonic scales only have 5 excluding the 4 and 7th tone in major and the 2 and 6th tone in minor(natural minor). Minor Pentatonics are used relentlessly in Blues and Rock music among others styles.
Continuing our popular 24 fret scale diagram, this time we included the C Major Scale. Nothing feels better to a guitarist then knowing his or her notes and positions on the guitar. See the attachment below to view the diagram.
The Harmonic Minor Scale is known as an exotic sounding minor scale with a Indian/Gypsy flavor. The interval b6 to the major 7th interval gives it it's sound. View the attachments below for a diagram and sound file. Harmonic Minor Scale 24 Fret Diagram In the key of C.
Another popular scale is the Minor Pentatonic Scale with an added blue note or b5 scale degree. This makes a Minor Pentatonic Blues Scale. This scale is widely used in Blues, Rock, Country. If you have already memorized the basic Minor Pentatonic this should be a breeze because were only adding one note!
When you think of a scale that is most used in Rock,Blues,Country,Jazz etc., you would normally think of old faithful "Minor Pentatonic Scale".
Here's a 24 fret diagram of the cool sounding SPANISH GYPSY SCALE. For those of you that have never heard of this scale it's derived from the 5th degree of the harmonic minor scale.