def main(args):
if (len(args) == 0):
print("Input followed by a list of chords seperated by spaces")
else:
b = ""
for i in range(0, len(_flats)):
newChords = transposeChords(args, i)
a = " ".join(newChords)
b += " " + a[0]
print(a[0])
print("This is " + b)
nc = NoteContainer([b])
MidiFileOut.write_NoteContainer("test.mid", nc)
c.augment() #升半音
c.diminish() #降半音
c.remove_redundant_accidentals() #清理多余升降号(只能成对清理，烂)
#谱容器
from mingus.containers import NoteContainer
#创建谱容器对象（继承列表，完全可以按列表操作，不用看下面的）
n = NoteContainer(['A-3', 'C-5', 'B-4'])
n.add_note('F-1') # 0位加音
n.remove_note('B', 4) #删音
n.empty() #清空
#乐器音色
from mingus.containers.instrument import Instrument, Piano, Guitar
#创建乐器对象
i = Instrument()
i.range #乐器音域
i.set_range((Note('C-2'), Note('E-4'))) #设定音域
i.note_in_range('F-4') #判断音是否在乐器音域内
#音轨
from mingus.containers import Track
t = Track(i) #乐器放入音轨容器
#MIDI音乐播放(安装困难)
#from mingus.midi import fluidsynth
#fluidsynth.init("soundfont.SF2")
#fluidsynth.play_Note( Note('C-5') )
from mingus.midi import MidiFileOut
MidiFileOut.write_NoteContainer('test.mid', n)