def ascending(self):
notes = [self.tonic]
notes.append(intervals.minor_third(notes[0]))
notes.append(intervals.perfect_fourth(notes[0]))
notes.append(intervals.perfect_fifth(notes[0]))
notes.append(intervals.minor_seventh(notes[0]))
return notes * self.octaves + [notes[0]]
def ascending(self):
notes = [self.tonic]
for i in range(3):
notes.extend([intervals.major_second(notes[-1]), intervals.minor_third(notes[-1])])
notes.append(intervals.major_seventh(notes[0]))
notes[-2] = intervals.major_sixth(notes[0])
return notes * self.octaves + [notes[0]]
def hendrix_chord(note):
"""Build the famous Hendrix chord (7b12).
Example:
>>> hendrix_chord('C')
['C', 'E', 'G', 'Bb', 'Eb']
"""
return dominant_seventh(note) + [intervals.minor_third(note)]
def diminished_triad(note):
"""Build a diminished triad on note.
Example:
>>> diminished_triad('C')
['C', 'Eb', 'Gb']
"""
return [note, intervals.minor_third(note), intervals.minor_fifth(note)]
def minor_triad(note):
"""Build a minor triad on note.
Example:
>>> minor_triad('C')
['C', 'Eb', 'G']
"""
return [note, intervals.minor_third(note), intervals.perfect_fifth(note)]
def hendrix_chord(note):
"""Build the famous Hendrix chord (7b12).
Example:
>>> hendrix_chord('C')
['C', 'E', 'G', 'Bb', 'Eb']
"""
return dominant_seventh(note) + [intervals.minor_third(note)]
def diminished_triad(note):
"""Build a diminished triad on note.
Example:
>>> diminished_triad('C')
['C', 'Eb', 'Gb']
"""
return [note, intervals.minor_third(note), intervals.minor_fifth(note)]
def minor_triad(note):
"""Build a minor triad on note.
Example:
>>> minor_triad('C')
['C', 'Eb', 'G']
"""
return [note, intervals.minor_third(note), intervals.perfect_fifth(note)]
def ascending(self):
notes = [self.tonic]
for i in range(3):
notes.extend(
[intervals.major_second(notes[-1]),
intervals.minor_third(notes[-1])])
notes.append(intervals.major_seventh(notes[0]))
notes[-2] = intervals.major_sixth(notes[0])
return notes * self.octaves + [notes[0]]
def test_minor_thirds(self):
minors = {
'C': 'Eb',
'Cb': 'Ebb',
'C#': 'E',
'C##': 'E#',
'E': 'G',
'Eb': 'Gb',
'E#': 'G#',
'F': 'Ab',
'Fb': 'Abb',
'F#': 'A',
'B': 'D',
'Bb': 'Db',
'B#': 'D#',
}
for x in list(minors.keys()):
self.assertEqual(minors[x], intervals.minor_third(x),
'The minor third of %s is not %s, expecting %s'
% (x, intervals.minor_third(x), minors[x]))
def test_minor_thirds(self):
minors = {
"C": "Eb",
"Cb" : "Ebb",
"C#" : "E",
"C##" : "E#",
"E" : "G",
"Eb" : "Gb",
"E#" : "G#",
"F" : "Ab",
"Fb" : "Abb",
"F#" : "A",
"B" : "D",
"Bb" : "Db",
"B#" : "D#",
}
for x in minors.keys():
self.assertEqual(minors[x], intervals.minor_third(x),\
"The minor third of %s is not %s, expecting %s" % (x, intervals.minor_third(x), minors[x]))
def test_minor_thirds(self):
minors = {
'C': 'Eb',
'Cb': 'Ebb',
'C#': 'E',
'C##': 'E#',
'E': 'G',
'Eb': 'Gb',
'E#': 'G#',
'F': 'Ab',
'Fb': 'Abb',
'F#': 'A',
'B': 'D',
'Bb': 'Db',
'B#': 'D#',
}
for x in list(minors.keys()):
self.assertEqual(minors[x], intervals.minor_third(x),
'The minor third of %s is not %s, expecting %s'
% (x, intervals.minor_third(x), minors[x]))
def test_minor_thirds(self):
minors = {
"C": "Eb",
"Cb": "Ebb",
"C#": "E",
"C##": "E#",
"E": "G",
"Eb": "Gb",
"E#": "G#",
"F": "Ab",
"Fb": "Abb",
"F#": "A",
"B": "D",
"Bb": "Db",
"B#": "D#",
}
for x in minors:
self.assertEqual(
minors[x],
intervals.minor_third(x),
"The minor third of %s is not %s, expecting %s" %
(x, intervals.minor_third(x), minors[x]),
)
def create_interval_consonant(start_note):
start = start_note
options = [
intervals.perfect_fifth(start),
intervals.perfect_fourth(start),
intervals.major_unison(start),
intervals.major_third(start),
intervals.minor_third(start),
intervals.major_sixth(start),
intervals.minor_sixth(start)
]
end = options[(randint(0, len(options) - 1))]
interval = intervals.determine(start, end)
return interval
'''
Created on Jan 6, 2017
@author: stephenkoh
'''
import mingus.core.notes as notes
import mingus.core.intervals as intervals
note = "C"
third_b = intervals.minor_third(note)
third_b_int = notes.note_to_int(third_b)
print("minor third: ", third_b, third_b_int)
third = intervals.major_third(note)
third_int = notes.note_to_int(third)
print("major third: ", third, third_int)
fourth_b = intervals.minor_fourth(note)
fourth_b_int = notes.note_to_int(fourth_b)
print("minor fourth: ", fourth_b, fourth_b_int)
fourth = intervals.major_fourth(note)
fourth_int = notes.note_to_int(fourth)
print("major fourth: ", fourth, fourth_int)
