Hear the Chord
Listen to a chord (three notes played together) and say which kind it is, such as bright major or darker minor. You can also stack notes on the keyboard and compare.
What kind of chord is it? Listen first.
Want more? Comparing frequencies
This keyboard uses equal temperament. With the major chord’s root set to 4, the ratios are below. Cents measure interval differences; 100 cents is one semitone.
| Ratio | Equal | Difference (cents) |
|---|---|---|
| 4 | 4.000 | 0.00 |
| 5 | 5.040 | 13.69 |
| 6 | 5.993 | -1.96 |
No sound? Turn off silent mode and raise the volume. Lights also show the beats.
How to play
Press Listen to the chord first. Then pick the kind of chord you heard (major sounds bright, minor sounds darker). Press a piano key to hear it and select it; press again to unselect. Play selected notes plays them together. Tick Include augmented and diminished to get four choices. Auto example plays the notes low to high, one by one.