Developer Builds Scala DSL to Model Music Theory Concepts Like Chords and Progressions

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A software developer has created Chordal, an experimental domain-specific language (DSL) written in Scala that represents core music theory elements in code. The project allows users to define musical notes, build chords such as triads, power chords, and suspended chords, and assemble them into progressions. One of the key challenges was accurately modeling enharmonic equivalents — notes like C# and Db that share the same pitch but carry different meaning depending on musical context. The developer also tackled the structural complexity of extended chords and the tension between chromatic and diatonic scale representations. The project's source code has been published on GitHub under the name Chordal.

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