When it comes to triads, you tend to know exactly where you are with the basic constructs of major or minor. Take the 3rd of a major triad, drop it by a semitone, and to quote a well known song, it ...

After working with major, minor, dominant, and half-diminished chords, it’s time to explore fully diminished 7ths and augmented triads. These chord types offer unique harmonic possibilities and ...