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product-vamp/data/composition/harmony.json
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2026-10-05 19:44:33 -05:00

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{
"version": 1,
"provenance": "General written-chord/function and bounded tension policies. Source key supplies brief diatonic motion; no fixed scale maps. Numerical limits are engineering settings.",
"license": "MIT",
"colors": [
{
"id": "major_ninth",
"qualities": [
"major"
],
"degree": 9,
"alter": 0,
"max_beats": "4"
},
{
"id": "major_thirteenth",
"qualities": [
"major"
],
"degree": 13,
"alter": 0,
"max_beats": "4"
},
{
"id": "lydian_color",
"qualities": [
"major",
"dominant"
],
"degree": 11,
"alter": 1,
"max_beats": "2",
"resolve": true
},
{
"id": "minor_ninth",
"qualities": [
"minor"
],
"degree": 9,
"alter": 0,
"max_beats": "4"
},
{
"id": "minor_eleventh",
"qualities": [
"minor",
"half_diminished"
],
"degree": 11,
"alter": 0,
"max_beats": "4"
},
{
"id": "minor_sixth",
"qualities": [
"minor"
],
"degree": 6,
"alter": 0,
"max_beats": "4",
"function": "tonic_or_predominant",
"continuation": "Stable color on tonic/predominant minor harmony; duration and explicit chord exclusions remain binding."
},
{
"id": "dominant_ninth",
"qualities": [
"dominant"
],
"degree": 9,
"alter": 0,
"max_beats": "4"
},
{
"id": "dominant_thirteenth",
"qualities": [
"dominant"
],
"degree": 13,
"alter": 0,
"max_beats": "4"
},
{
"id": "dominant_flat_ninth",
"qualities": [
"dominant"
],
"degree": 9,
"alter": -1,
"max_beats": "4",
"resolve": false,
"function": "resolving_dominant",
"continuation": "Bounded dominant color. May continue through other chord tones/tensions rather than resolve immediately by step. Written exclusions and harmonic function remain binding."
},
{
"id": "dominant_sharp_ninth",
"qualities": [
"dominant"
],
"degree": 9,
"alter": 1,
"max_beats": "4",
"resolve": false,
"function": "resolving_dominant",
"continuation": "Bounded dominant color. May continue through other chord tones/tensions rather than resolve immediately by step. Written exclusions and harmonic function remain binding."
},
{
"id": "dominant_flat_thirteenth",
"qualities": [
"dominant"
],
"degree": 13,
"alter": -1,
"max_beats": "4",
"resolve": false,
"function": "resolving_dominant",
"continuation": "Bounded dominant color. May continue through other chord tones/tensions rather than resolve immediately by step. Written exclusions and harmonic function remain binding."
},
{
"id": "half_diminished_natural_sixth",
"qualities": [
"half_diminished"
],
"degree": 13,
"alter": 0,
"max_beats": "4",
"function": "predominant_to_dominant",
"continuation": "Natural sixth preparing the following dominant; requires the stated harmonic function."
}
],
"resolution_gap": "1",
"anticipation_max": "1",
"suspensions": [
{
"id": "prepared_step_down",
"preparation": "1/2",
"max_delay": "1",
"steps": [
-1,
-2
]
}
],
"sources": [
"https://www.berklee.edu/berklee-today/summer-2014/tension-and-resolution",
"https://college.berklee.edu/berklee-today-55"
]
}