Mixolydian is the fifth mode of the major scale - The foundation of 80s rock and a nice step up from the Pents. Learn all about it here!
The Major Scale
The major scale is the foundation of western music, and you've probably known it without knowing it since childhood! Learn all about it right here.
The Lydian Scale
The Lydian Scale is popular with the Shred guys - Satriani, Vai and... Me! Learn the theory and the practice to spacey sound right here.