Use ChatGPT to build a song

song.py

from music21 import stream, note, meter, tempo, expressions, instrument

# 创建一个音乐流
melody = stream.Stream()

# 设置拍号为4/4
melody.append(meter.TimeSignature('4/4'))

# # 设置曲速
# melody.append(tempo.MetronomeMark(number=120))

# # 为每行歌词定义的音符序列
# melody_lines = [
#     ['C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'B4', 'C5', 'D5', 'E5', 'F5', 'E5', 'D5', 'C5'],
#     ['E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5'],
#     ['G5', 'A5', 'B5', 'C6', 'D6', 'C6', 'B5', 'A5', 'G5', 'F5', 'E5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5'],
#     ['C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5']
# ]

# # 将音符序列添加到音乐流中
# for line in melody_lines:
#     for n in line:
#         melody.append(note.Note(n, quarterLength=1))

# # 调整后的音符序列
# melody_lines = [
#     ['C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'B4', 'C5', 'D5', 'E5', 'F5', 'E5', 'D5', 'C5', 'REST'],
#     ['E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'REST'],
#     ['G5', 'A5', 'B5', 'C6', 'D6', 'C6', 'B5', 'A5', 'G5', 'F5', 'E5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'REST'],
#     ['C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'E5', 'D5']
# ]

# # 将音符序列添加到音乐流中，并添加转音和换气处理
# for line in melody_lines:
#     for n in line:
#         if n == 'REST':
#             # 添加换气处理（休止符）
#             melody.append(note.Rest(quarterLength=2))
#         else:
#             melody_note = note.Note(n, quarterLength=1)
#             # 添加颤音装饰
#             trill = expressions.Trill()
#             melody_note.expressions.append(trill)
#             melody.append(melody_note)

# # 导出为MIDI文件
# midi_path = './demo.mid'
# melody.write('midi', fp=midi_path)


# 春风拂过绿意浓，花开满园梦开始盎然。
# 柳絮轻飞舞蝶忙，日暖云轻天更蓝。
# 江水悠悠绕古城，山色远淡烟波澜。
# 笑看桃红柳绿时，春意盎然心自宽。




# 设置曲速为轻快的速度
# melody.append(tempo.MetronomeMark(number=100))

# # 构建一个简单明快的旋律，类似于《茉莉花》的风格
# # 针对 "梅花香满旧长巷，岁月静好云水间。春风细数枝头花，悄然间又是新年。"
# notes = ['C5', 'D5', 'E5', 'G5', 'E5', 'D5', 'C5',  # 梅花香满旧长巷
#          'D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5',  # 岁月静好云水间
#          'E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'E5',  # 春风细数枝头花
#          'D5', 'C5', 'D5', 'E5', 'C5', 'D5', 'C5']  # 悄然间又是新年


# # 将音符添加到音乐流中
# for n in notes:
#     melody.append(note.Note(n, quarterLength=1))

# # 导出为MIDI文件
# melody.write('midi', 'Melody_Similar_To_Jasmine_Flower.mid')

melody.append(tempo.MetronomeMark(number=100))

# 构建一个简单明快的旋律，类似于《茉莉花》的风格
# 针对 "梅花香满旧长巷，岁月静好云水间。春风细数枝头花，悄然间又是新年。"
melody_lines = [
    ['C5', 'D5', 'E5', 'G5', 'E5', 'D5', 'C5', 'REST'],  # 梅花香满旧长巷
    ['D5', 'E5', 'F5', 'G5', 'A5', 'G5', 'F5', 'REST'],  # 岁月静好云水间
    ['E5', 'D5', 'C5', 'D5', 'E5', 'F5', 'E5', 'REST'],  # 春风细数枝头花
    ['D5', 'C5', 'D5', 'E5', 'C5', 'D5', 'C5', 'REST']   # 悄然间又是新年
]

# 将音符序列添加到音乐流中，并添加转音和换气处理
for line in melody_lines:
    for n in line:
        if n == 'REST':
            # 添加换气处理（休止符）
            melody.append(note.Rest(quarterLength=2))
        else:
            melody_note = note.Note(n, quarterLength=1)
            # 添加颤音装饰
            trill = expressions.Trill()
            melody_note.expressions.append(trill)
            melody.append(melody_note)

# # 导出为MIDI文件
# midi_path = './Simple_Melody_Like_Jasmine_Flower_Enhanced.mid'
# melody.write('midi', fp=midi_path)


# 创建一个音乐流用于伴奏
accompaniment = stream.Stream()

# 设置拍号为4/4
accompaniment.append(meter.TimeSignature('4/4'))

# 设置曲速为轻快的速度
accompaniment.append(tempo.MetronomeMark(number=100))

# 使用吉他来近似代表琵琶的声音
accompaniment.append(instrument.Guitar())

# 简单的伴奏音符序列
accompaniment_notes = ['G3', 'C4', 'E4', 'G4', 'C4', 'E4', 'G3', 'REST',
                       'A3', 'D4', 'F4', 'A4', 'D4', 'F4', 'A3', 'REST',
                       'B3', 'E4', 'G4', 'B4', 'E4', 'G4', 'B3', 'REST',
                       'C4', 'E4', 'G4', 'C5', 'E4', 'G4', 'C4', 'REST']

# 将音符添加到伴奏音乐流中
for n in accompaniment_notes:
    if n == 'REST':
        accompaniment.append(note.Rest(quarterLength=2))
    else:
        accompaniment.append(note.Note(n, quarterLength=1))

# 导出为MIDI文件
accompaniment.write('midi', 'Approximate_Pipa_Accompaniment.mid')


# 创建一个音乐流用于钢琴伴奏
piano_accompaniment = stream.Stream()

# 设置拍号为4/4
piano_accompaniment.append(meter.TimeSignature('4/4'))

# 设置曲速为轻快的速度
piano_accompaniment.append(tempo.MetronomeMark(number=100))

# 设置钢琴乐器
piano_accompaniment.append(instrument.Piano())

# 简单的钢琴伴奏音符序列，使用不同的和弦进行
# 使用一些常见和弦，如C大调的I-IV-V进程：C, F, G
piano_chords = [
    'C4', 'E4', 'G4', 'C5', 'E4', 'G4', 'C4', 'REST',  # C大和弦
    'F3', 'A3', 'C4', 'F4', 'A3', 'C4', 'F3', 'REST',  # F大和弦
    'G3', 'B3', 'D4', 'G4', 'B3', 'D4', 'G3', 'REST',  # G大和弦
    'C4', 'E4', 'G4', 'C5', 'E4', 'G4', 'C4', 'REST'   # C大和弦
]

# 将音符添加到钢琴伴奏音乐流中
for n in piano_chords:
    if n == 'REST':
        piano_accompaniment.append(note.Rest(quarterLength=2))
    else:
        piano_accompaniment.append(note.Note(n, quarterLength=1))

# 导出为MIDI文件
piano_accompaniment.write('midi', 'Piano_Accompaniment.mid')