Watch the Lydian Structures online guitar lesson by Brad Carlton from Chord Studies: Modal Progressions Vol. 1

Using the Lydian mode will give us the #4 (or b5 or #11 sound on some chords as we stack Quartal harmony). Be mindful of this note as it will give you a very bright sound on some chords, but really serves to bring out that "jazz" sound in a Major tonality.