Haunted Chord Lab
Build, hear, and loop mysterious chords—then shape their sound until the music becomes portal-ready.
“This diminished seventh chord must be magic!” — Thumper
01 Choose a chord
02 See the structure
Highlighted notes form the selected chord. Select a note to hear it.
03 Haunting factor
Four evenly spaced notes create tension in every direction. With no obvious resting place, it sounds as if the floor could move at any moment.
04 Shape the atmosphere
05 Build an eerie progression
What makes music sound mysterious? Join Groovy and Thumper in the Haunted Chord Lab to play diminished, augmented, and minor-major seventh chords. See how each chord is constructed, discover its “haunting factor,” and build your own eerie musical progression with the interactive sequencer.
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