degree-type-value data type
The degree-type-value type indicates whether the current degree element is an addition, alteration, or subtraction to the kind of the current chord in the harmony element.
Base type: string
Allowed values
add | If the degree element is in addition to the kind of the current chord. |
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alter | If the degree element is an alteration to the kind of the current chord. |
subtract | If the degree element is a subtraction from the kind of the current chord. |