Music and Emotion
Music moves people through several separate mechanisms, and they are not equally well established. Expectation and physical arousal are on firm ground. The idea that particular chords carry particular feelings is much weaker than the internet suggests, and worth saying plainly.
- several mechanisms
- firm to shaky
- expectation is the strongest
Where you run into this
- Film music
- Songwriting
- Production
- Listening
In short
The best-supported mechanism is expectation: music sets up a prediction and the handling of that prediction produces the response. Next comes arousal, where tempo, loudness and density change your heart rate and attention directly. Then there is association, which is powerful and entirely personal. Weaker, and often overstated, is the idea that a given scale or chord has a fixed emotional meaning independent of context.
The honest version of this subject is more interesting than the mystical one. Knowing that a minor chord is not inherently sad, but that its use in a tradition makes it read that way, explains more music than the shortcut does.
How it works
This is the page to read before any claim that a particular key is melancholy or that a certain interval is the saddest. Where the evidence is thin, we say so, and where a claim rests on one small study, we say that too.
Where you run into this
- A film scene that changes meaning entirely with a different cue underneath
- A song that means something to you and nothing to anyone else
- A major-key song that is unmistakably sad, which the simple theory cannot explain
Our own examples
Three of our own examples: one phrase resolved and one left hanging, to hear expectation on its own; the same phrase fast and slow, to hear arousal; and the same phrase in major and minor, to hear how much less that change does than people expect.