Augmented Chords For Piano — Learn All 12 Quickly PlayPiano Posted on September 10, 2009 by DuaneNovember 25, 2020 Augmented triads (3 note chords) are formed by raising the 5th of a major chord 1/2 step. For more complete information, please go to: https://www.playpiano.com/101-tips/7-augmented.htm