### Chordal Analysis

*xmlChordAna* is a python script that makes a chordal analysis of a MusicXML file.

It is used as from the command line as follows:

        > ./xmlChordAna.py scorefile.xml

The output is printed on *stdout* and looks like this:

        File: bwv539p_arr.xml, ticks per quarternote: 384

        342 note groups, 102 chord segments

        Key: Am, confidence: 33%

        ---- chord Dmin, score: 90%

           0     D3, D4, F4, A4

           2     D3, F4, A4, D5

           2 1/2 F4, A4, D5, D3

           3     F4, A4, D5, C#3

           3 1/2 F4, A4, D5, D3

        ---- chord Ehdim, score: 75%

           4     D5, E3, E4, G4

        ---- chord C#hdim, score: 92%

           5     E3, E4, G4, C#5

           5 1/2 E3, E4, G4, B4

           6     E3, E4, G4, C#5

           6 1/2 E4, G4, C#5, E3

           7     E4, G4, C#5, D3

           7 1/2 E4, G4, C#5, E3

See [this explanation][1] for more info.

[1]: https://wim.vree.org/keys09/uitleg.html

*xml2b40* is a python script to convert a MusicXML file to a list of B40 events.

It is invoked from the command line as follows:

        > ./xml2b40.py -t 384 scorefile.xml

and produces the following output:

        0 129

        0 169

        0 180

        0 192

        768 -192

        768 -169

        768 192

        768 209

        960 -129

        960 129

        1152 -129

        1152 124

        1344 -124

        1344 129

        1536 -192

        1536 -180

        ...

Each line contains two numbers: the time and a B40 note.