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from music21 import converter
from music21 import stream

# TODO: Test with scores with Voices: cpebach/h186

def makeExampleScore():
    r'''
    Makes example score for use in stream-to-tree conversion docs.

    >>> sc = tree.examples.makeExampleScore()
    >>> sc.show('text')
    {0.0} <music21.stream.Part ...>
        {0.0} <music21.instrument.Instrument 'PartA: : '>
        {0.0} <music21.stream.Measure 1 offset=0.0>
            {0.0} <music21.clef.BassClef>
            {0.0} <music21.meter.TimeSignature 2/4>
            {0.0} <music21.note.Note C>
            {1.0} <music21.note.Note D>
        {2.0} <music21.stream.Measure 2 offset=2.0>
            {0.0} <music21.note.Note E>
            {1.0} <music21.note.Note F>
        {4.0} <music21.stream.Measure 3 offset=4.0>
            {0.0} <music21.note.Note G>
            {1.0} <music21.note.Note A>
        {6.0} <music21.stream.Measure 4 offset=6.0>
            {0.0} <music21.note.Note B>
            {1.0} <music21.note.Note C>
            {2.0} <music21.bar.Barline type=final>
    {0.0} <music21.stream.Part ...>
        {0.0} <music21.instrument.Instrument 'PartB: : '>
        {0.0} <music21.stream.Measure 1 offset=0.0>
            {0.0} <music21.clef.BassClef>
            {0.0} <music21.meter.TimeSignature 2/4>
            {0.0} <music21.note.Note C#>
        {2.0} <music21.stream.Measure 2 offset=2.0>
            {0.0} <music21.note.Note G#>
        {4.0} <music21.stream.Measure 3 offset=4.0>
            {0.0} <music21.note.Note E#>
        {6.0} <music21.stream.Measure 4 offset=6.0>
            {0.0} <music21.note.Note D#>
            {2.0} <music21.bar.Barline type=final>
    '''
    streamA = converter.parse('tinynotation: 2/4 C4 D E F G A B C')
    streamB = converter.parse('tinynotation: 2/4 C#2  G#  E#  D#')
    streamA.makeMeasures(inPlace=True)
    streamB.makeMeasures(inPlace=True)
    partA = stream.Part()
    for x in streamA:
        partA.append(x)
    instrumentA = partA.getInstrument()
    instrumentA.partId = 'PartA'
    partA.insert(0, instrumentA)
    partB = stream.Part()
    for x in streamB:
        partB.append(x)
    instrumentB = partB.getInstrument()
    instrumentB.partId = 'PartB'
    partB.insert(0, instrumentB)
    score = stream.Score(id='exampleScore')
    score.insert(0, partA)
    score.insert(0, partB)
    return score


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