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HarmTrace: Harmony Analysis and Retrieval of Music

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HarmTrace: Harmony Analysis and Retrieval of Music with Type-level Representations of Abstract Chords Entities

We present HarmTrace, a system for automatically analysing the harmony of music sequences. HarmTrace is described in the paper:

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Modules

[Last Documentation]

  • HarmTrace
    • Audio
      • HarmTrace.Audio.Annotate
      • HarmTrace.Audio.AnnotationParser
      • HarmTrace.Audio.ChromaChord
      • HarmTrace.Audio.ChromaKey
      • HarmTrace.Audio.DataParser
      • HarmTrace.Audio.Evaluation
      • HarmTrace.Audio.Key
      • HarmTrace.Audio.Statistical
    • HAnTree
      • HarmTrace.HAnTree.HAn
      • HarmTrace.HAnTree.HAnParser
      • HarmTrace.HAnTree.PostProcess
      • HarmTrace.HAnTree.ToHAnTree
      • HarmTrace.HAnTree.Tree
    • Matching
      • HarmTrace.Matching.Alignment
      • HarmTrace.Matching.GuptaNishimura
      • HarmTrace.Matching.HChord
      • HarmTrace.Matching.Sim
      • HarmTrace.Matching.SimpleChord
      • HarmTrace.Matching.Standard
    • Models
      • HarmTrace.Models.ChordTokens
      • Jazz
        • HarmTrace.Models.Jazz.Instances
        • HarmTrace.Models.Jazz.Main
        • HarmTrace.Models.Jazz.Model
      • HarmTrace.Models.Models
      • HarmTrace.Models.Parser
      • Pop
        • HarmTrace.Models.Pop.Instances
        • HarmTrace.Models.Pop.Main
        • HarmTrace.Models.Pop.Model
      • HarmTrace.Models.TypeLevel

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Versions [RSS] 0.1, 0.1.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1.0, 2.0, 2.1, 2.2.0, 2.2.1
Dependencies array, base (>=4.2 && <4.7), binary (>=0.6.4), cmdargs (>=0.10.1), deepseq, Diff (>=0.1 && <0.2), directory, filepath, ghc-prim (>=0.2), HarmTrace-Base (>=1.0.0.2), HCodecs (>=0.2.2), hmatrix (>=0.11.0.3), hmatrix-gsl-stats (>=0.1.2.9), instant-generics (>=0.3.6 && <0.4), ListLike (>=3.0.1), mtl, parallel (>=3), parseargs (>=0.1.3.2), process (>=1.0), sox (>=0.2.2.2), template-haskell (>=2.4 && <2.9), uu-parsinglib (>=2.7.4 && <2.7.5), vector (>=0.7) [details]
License GPL-3.0-only
Copyright (c) 2010--2013 Universiteit Utrecht, 2012--2013 University of Oxford
Author W. Bas de Haas and Jose Pedro Magalhaes
Maintainer bash@cs.uu.nl, jpm@cs.ox.ac.uk
Category Music
Home page http://www.cs.uu.nl/wiki/GenericProgramming/HarmTrace
Uploaded by JosePedroMagalhaes at 2013-01-21T13:50:03Z
Distributions
Reverse Dependencies 1 direct, 0 indirect [details]
Executables harmtrace
Downloads 13261 total (34 in the last 30 days)
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Status Docs not available [build log]
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Readme for HarmTrace-2.1

[back to package description] 
HarmTrace (Harmony Analysis and Retrieval of Music with Type-level 
Representations of Abstract Chords Entities) is a system for automatic harmony 
analysis of music. It takes a sequence of chords as input and produces a harmony 
analysis, which can be visualised as a tree. 

Music theory has been essential in composing and performing music for centuries. 
Within Western tonal music, from the early Baroque on to modern-day jazz and pop 
music, the function of chords within a chord sequence can be explained by 
harmony theory. Although Western tonal harmony theory is a thoroughly studied 
area, formalising this theory is a hard problem. 

With HarmTrace we have developed a formalisation of the rules of tonal harmony 
as a Haskell (generalized) algebraic datatype. Given a sequence of chord labels, 
the harmonic function of a chord in its tonal context is automatically derived. 
For this, we use several advanced functional programming techniques, such as 
type-level computations, datatype-generic programming, and error-correcting 
parsers. Our functional model of harmony offers various benefits: it can be used 
to define harmonic similarity measures and facilitate music retrieval, or it can 
help musicologists in batch-analysing large corpora of digitised scores, for 
instance. 

More information about HarmTrace, including how to use and example output, is
available on its webpage: http://www.cs.uu.nl/wiki/GenericProgramming/HarmTrace