The Lydian scale or Lydian mode is a major scale that begins on on the fourth note of a major scale. A Lydian scale is a type of of major scale with an augmented (or sharp) fourth. The third note of the scale is major, as opposed to the Phrygian mode, Aeolian or Locrian where their third note is flat (a minor third). The augmented 4th gives playing the Lydian scale the … [Read more...] about Theory in 300: Lydian Mode