def make_lily_scale(self, root='A'):
lilypond_music = """<lilypond relative=1 verbatim>
\clef bass \key %s \major %s
</lilypond>
""" % (root,
str(' '.join(["%s," % root] + scales.ionian(root)[1:] + [root])))
return lilypond_music.replace('#', 'is').lower()
def blues_scale(key):
"""Return a blues scale in a given key"""
major_scale = list(scales.ionian(key))
#Use mingus.containers.Note to represent notes so we have octave info
for i, note in enumerate(major_scale):
major_scale[i] = Note(note)
if i>0 and major_scale[i]<major_scale[i-1]:
major_scale[i].octave_up()
# mingus.Scales is dumb, this is a workaround =/
fifth = Note(major_scale[4])
major_scale[2].diminish()
major_scale[4].diminish()
major_scale[6].diminish()
seventh = Note(major_scale[0])
seventh.octave_up()
#assemble the blues scale
blues_scale = [major_scale[0],
major_scale[2],
major_scale[3],
major_scale[4],
fifth,
major_scale[6],
seventh]
return blues_scale
def do_scale(options, scale):
g = Guitar(frets=options.frets)
scope = get_scope(options, g)
if options.mode == "major":
notes = scales.diatonic(scale)
elif options.mode == "minor":
notes = scales.harmonic_minor(scale)
elif options.mode == "natural_minor":
notes = scales.natural_minor(scale)
elif options.mode == "harmonic_minor":
notes = scales.harmonic_minor(scale)
elif options.mode == "melodic_minor":
notes = scales.melodic_minor(scale)
elif options.mode == "ionian":
notes = scales.ionian(scale)
elif options.mode == "dorian":
notes = scales.dorian(scale)
elif options.mode == "phrygian":
notes = scales.phrygian(scale)
elif options.mode == "lydian":
notes = scales.lydian(scale)
elif options.mode == "mixolydian":
notes = scales.mixolydian(scale)
elif options.mode == "aeolian":
notes = scales.aeolian(scale)
elif options.mode == "locrian":
notes = scales.locrian(scale)
lines = g.get_notes(notes, scope)
for line in lines:
print(line)
def get_scale(basetone, mode): scale = [] if mode == "major": scale = scales.major(basetone) if mode == "minor": scale =scales.minor(basetone) if mode == "ionian": scale = scales.ionian(basetone) if mode == "dorian": scale = scales.dorian(basetone) if mode == "phrygian": scale = scales.phrygian(basetone) if mode == "lydian": scale = scales.lydian(basetone) if mode == "mixolydian": scale = scales.mixolydian(basetone) if mode == "aeolian": scale = scales.aeolian(basetone) if mode == "locrian": scale = scales.locrian(basetone) # TODO implement chromatic scales return scale
def Notes(self):
"""Returns a list of the notes in the scale"""
return scales.ionian(self.root)
