Watch the Modal Study #4 online guitar lesson by TrueFire from Rock Guitar Greatest Hits Vol. 1
Lesson Source: Jon Finn's Modal Rock Soloing
Jon explains and improvises using the C dorian scale. The first time you hear the 6th (A), the characteristic pitch is at 00:21 at the bend note. With that note added to the minor pentatonic, it adds a sort of bluesy flavor.