PENTATONIC GUITAR SCALE
The five note pentatonic scale is therefore specifically used because of it's five note construction. Rock, blues, country, and other styles use this scale. Aside from the fact that the pentatonic guitar scale is a great scale to use because of its sound, there is another very nice, helpful and key feature of the pentatonic guitar scale that can help your greatly when soloing and improvising.
The pentatonic guitar scale is easy to apply over a wider range of chords when soloing and improvising due to the fewer notes in the scale. This makes it is a great scale to fall back on when you feel you either don't have much understanding of how to apply other scales in various situations or because you have become lost at the moment and just want to get back to something that will sound okay. It may not be the best sounding option in every situation, but it can be used in most situations without sounding like you have no clue as to what you are doing.
Guitar scales come in many names and alterations, so there is much to be understood in regards to using and applying them. As one of the key building blocks of guitar and music, scales are one of the three blocks that includes chords and arpeggios.

