The minor pentatonic scale is by far the most used scale in the world all styles taken together (jazz, blues, rock, reggae, pop, country).
One of the explanation is given by the structure. Indeed, there are no semi-tones in it. It is easy to play on the guitar and it can be used in a whole lot of very different contexts.
This lesson will show you eight ways to use the minor pentatonic scale over a dominant seventh chord. The principle is easy to understand, this consists in playing the minor pentatonic scale starting on each tone of the Mixolydian scale (1, 2, 3, 4, 5, 6, b7).
This method helps to highlight certain notes and brings interesting colors to your jazz guitar lines depending on you want to play outside or inside.