def testFromSoundingPitch(self):
'''
A score with mixed sounding and written parts.
'''
m = stream.Measure([instrument.Clarinet(), note.Note('C')])
p1 = stream.Part(m)
p1.atSoundingPitch = True
p2 = stream.Part(stream.Measure([instrument.Bassoon(), note.Note()]))
s = stream.Score([p1, p2])
self.assertEqual(s.atSoundingPitch, 'unknown')
gex = GeneralObjectExporter(s)
root = et_fromstring(gex.parse().decode('utf-8'))
self.assertEqual(len(root.findall('.//transpose')), 1)
self.assertEqual(root.find('.//step').text, 'D')
s.atSoundingPitch = True
gex = GeneralObjectExporter(s)
root = et_fromstring(gex.parse().decode('utf-8'))
self.assertEqual(len(root.findall('.//transpose')), 1)
self.assertEqual(root.find('.//step').text, 'D')
def ch1_writing_I_B_3(show=True, *arguments, **keywords):
'''
p. 7.
Transcribe Purcell, "Music for a While" for bassoon in tenor clef
>>> a = True
'''
# Purcell, "Music for a While"
humdata = '''
**kern
*clefF4
8C
8D
8E
8EE
8AA
8E
8F
8AA
8BB
8F#
8G
8BB
8C
8G#
8A
8C#
*-
'''
ex = converter.parseData(humdata)
clefOld = ex.flat.getElementsByClass(clef.Clef)[0]
# replace the old clef
ex.flat.replace(clefOld, clef.TenorClef())
ex.insert(0, instrument.Bassoon())
if show:
ex.show()
