Notice the double Flat 7th interval – this is the only difference between a Diminished and a Half Diminished Chord.
What are Half Diminished Chords?
Half Diminished Chord are built on this harmony: R b3, b5, b7. So in the key of C major the notes would be: C Eb Gb Bb
What are Diminished Chords?
Diminished Chords are built on this harmony: R b3, b5, bb7. So in the key of C major the notes would be: C Eb Gb Bbb
When would I use Diminished and Half Diminished Chords?
Music (and life) is a series of Tension and Release. So to build tension in music is known as Dissonance. Diminished and Half Diminished chords sound very ‘Rough’, and as a result create tension, movement, and might just be the sound you are looking for.