2.09 Some Examples
==================
Four Examples with different manually defined chord patterns.
Functions which are no longer part of this development step are
**exported to the music\_generation.py file.** The file is found at the
**end** of the page.
.. code:: python3
from pyknon.genmidi import Midi
from pyknon.music import Rest, Note, NoteSeq
from music_generation import *
import numpy as np
import matplotlib.pyplot as plt
.. code:: python3
major = np.array([ 0, 2, 4, 5, 7, 9, 11])
minor = np.array([ 0, 2, 3, 5, 7, 8, 10])
blues = np.array([ 0, 3, 5, 6, 7, 10])
C7 = np.array([ 0, 4, 7, 10])
CM7 = np.array([ 0, 4, 7, 11])
Cm7 = np.array([ 0, 3, 7, 10])
Cm = np.array([ 0, 3, 7])
Cdim = np.array([ 0, 3, 6])
C = np.array([ 0, 4, 7])
power = np.array([ 0,7])
B = np.array([ 0])
tune\_2.09\_A
-------------
- Chords: C Am Dm G
- Strings playing chords
- Organ for the base
- Clarinet playing major scale
.. code:: python3
def tune_209_A():
tune_name = 'tune_209_A'
np.random.seed(154)
bar, bpb = 13, 4 # bar: Takt , bpb: beat per bar
melody_len = bar * bpb
#scales = [[1,CM7],[1,Cm7+9],[1,Cm7+2],[1,C7+7]] #rythem Change
#scales = [[4,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[2,C7]] # Blues
#scales = [[1,C7],[1,C7+5],[2,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[1,C7],[1,C7+7]] # Blues erweitert
scales = [[1,C],[1,Cm+9],[1,Cm+2],[1,C+7]] # I VI II V
end_scale = [[1,C7+7],[1,C]]
pattern = pattern_gen(scales, end_scale, melody_len)
pattern2 = pattern_gen([[12,major]], end_scale, melody_len)
# Solo voice
range_1 = liniar_range(49,67,80,84)
rythem1, notenr_1 = ran_duration([1/16,1/8, 1/4,1/2], [0,3,3,1], melody_len)
melody1 = acceptance_melody([-3,-2,-1, 0, 1, 2, 3],[1,2, 2, 1, 2, 2,1],pattern2, 70, range_1, notenr_1, rythem1)
volumes1 = ran_volume([0,100], [1,6], notenr_1 )
notes1 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody1,rythem1,volumes1)] )
# Bass voice
range_2 = liniar_range(30,37,48,67)
rythem2, notenr_2 = ran_duration([1/8, 1/4,1/2], [0,2,1], melody_len)
melody2 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 40, range_2, notenr_2,rythem2)
volumes2 = ran_volume([0,110], [0,8], notenr_2 )
notes2 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody2,rythem2,volumes2)] )
# Chord Voices
range_3 = liniar_range(40,48,60,67)
rythem3, notenr_3 = ran_duration([1/8, 1/4,1/2], [1,3,2], melody_len)
melody3 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 48, range_3, notenr_3,rythem3)
volumes3 = ran_volume([0,80], [0,8], notenr_3 )
notes3 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody3,rythem3,volumes3)] )
range_4 = liniar_range(40,48,60,67)
rythem4, notenr_4 = ran_duration([1/8, 1/4,1/2], [1,3,2], melody_len)
melody4 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 60, range_4, notenr_4,rythem4)
volumes4 = ran_volume([0,80], [0,8], notenr_4 )
notes4 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody4,rythem4,volumes4)] )
range_5 = liniar_range(40,48,60,67)
rythem5, notenr_5 = ran_duration([1/8, 1/4,1/2], [1,3,2], melody_len)
melody5 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 54, range_5, notenr_5,rythem5)
volumes5 = ran_volume([0,80], [0,8], notenr_5 )
notes5= NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody5,rythem5,volumes5)] )
plot_range([range_1,range_2,range_3],['range_1','range_2','range_3'],tune_name)
instruments = [69,16,48,48,48]
notes = [notes1,notes2,notes3,notes4,notes5]
return notes, instruments,tune_name
.. raw:: html
tune__209_A
tune_209_A
tune\_2.09\_B
-------------
- Chords: Cm A Dm G7
- String quartet
.. code:: python3
def tune_209_B():
tune_name = 'tune_209_B'
np.random.seed(87) # 154, 128 87
bar, bpb = 13, 4 # bar: Takt , bpb: beat per bar
melody_len = bar * bpb
# blues
#scales = [[4,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[2,C7]] # Blues
#scales = [[1,C7],[1,C7+5],[2,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[1,C7],[1,C7+7]] # Blues erweitert
#scales = [[1,CM7],[1,Cm7+9],[1,Cm7+2],[1,C7+7]] # I VI II V with 7
#scales = [[1,C],[1,Cm+9],[1,Cm+2],[1,C+7]] # I VI II V major
scales = [[1,Cm],[1,C+8],[1,Cdim+2],[1,C7+7]] # i VI ii V minor
#scales = [[1,Cm],[1,C+8],[1,C+3],[1,C+10]] # i VI III VII minor
end_scale = [[1,C7+7],[1,Cm]]
pattern = pattern_gen(scales, end_scale, melody_len)
# Violin
range_1 = liniar_range(55,69,84,91)
rythem1, notenr_1 = ran_duration([1/16,1/8, 1/4,1/2], [0,3,2,1], melody_len)
melody1 = acceptance_melody([-3,-2,-1, 0, 1, 2, 3],[1,2, 2, 1, 2, 2,1],pattern, 70, range_1, notenr_1, rythem1)
volumes1 = ran_volume([0,120], [1,6], notenr_1 )
notes1 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody1,rythem1,volumes1)] )
# Viola
range_2 = liniar_range(48,62,76,85)
rythem2, notenr_2 = ran_duration([1/8, 1/4,1/2], [1,2,1], melody_len)
melody2 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 70, range_2, notenr_2,rythem2)
volumes2 = ran_volume([0,120], [1,7], notenr_2 )
notes2 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody2,rythem2,volumes2)] )
# Cello
range_3 = liniar_range(36,48,63,69)
rythem3, notenr_3 = ran_duration([1/8, 1/4,1/2], [1,3,1], melody_len)
melody3 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 58, range_3, notenr_3,rythem3)
volumes3 = ran_volume([0,120], [1,8], notenr_3 )
notes3 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody3,rythem3,volumes3)] )
# Contrabass
range_4 = liniar_range(28,36,48,55)
rythem4, notenr_4 = ran_duration([1/8, 1/4,1/2], [1,3,2], melody_len)
melody4 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 44, range_4, notenr_4,rythem4)
volumes4 = ran_volume([0,120], [1,8], notenr_4 )
notes4 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody4,rythem4,volumes4)] )
plot_range([range_1,range_2,range_3,range_4],['range_1','range_2','range_3','range_4'],tune_name)
instruments = [40,41,42,43]
notes = [notes1,notes2,notes3,notes4]
return notes, instruments,tune_name
.. raw:: html
tune__209_B
tune_209_B
tune\_2.09\_C
-------------
- Chords: Cm Fm Bb Eb Cm Fm G7
- Two Pianos playing chords
- Organ for the base
- Trumpet playing minor scale
.. code:: python3
def tune_209_C():
tune_name = 'tune_209_C'
np.random.seed(36) #
bar, bpb = 16, 4 # bar: Takt , bpb: beat per bar
melody_len = bar * bpb
# blues
#scales = [[4,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[2,C7]] # Blues
#scales = [[1,C7],[1,C7+5],[2,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[1,C7],[1,C7+7]] # Blues erweitert
#scales = [[1,CM7],[1,Cm7+9],[1,Cm7+2],[1,C7+7]] # I VI II V with 7
#scales = [[1,C],[1,Cm+9],[1,Cm+2],[1,C+7]] # I VI II V major
#scales = [[1,Cm],[1,C+8],[1,Cdim+2],[1,C7+7]] # i VI ii V minor
#scales = [[1,Cm],[1,C+8],[1,C+3],[1,C+10]] # i VI III VII minor
scales = [[1,Cm],[1,Cm+5],[1,C+10],[1,C+3],[1,Cm],[1,Cm+5],[1,C7+7]] #Cm Fm Bb Eb Cm Fm G7
end_scale = [[1,Cm],[1,power]]
pattern = pattern_gen(scales, end_scale, melody_len)
pattern2 = pattern_gen([[12,minor]], end_scale, melody_len) # for solo voice
# Solo voice
range_1 = liniar_range(49,67,80,84)
rythem1, notenr_1 = ran_duration([1/16,1/8, 1/4,1/2], [1,3,2,0], melody_len)
melody1 = acceptance_melody([-3,-2,-1, 0, 1, 2, 3],[2,2, 2, 1, 2, 2,2],pattern2, 67, range_1, notenr_1, rythem1)
volumes1 = ran_volume([0,80], [1,6], notenr_1 )
notes1 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody1,rythem1,volumes1)] )
# Bass voice
range_2 = liniar_range(32,40,52,63)
rythem2, notenr_2 = ran_duration([1/8, 1/4,1/2], [0,2,0], melody_len)
melody2 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 44, range_2, notenr_2,rythem2)
volumes2 = ran_volume([0,100], [0,8], notenr_2 )
notes2 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody2,rythem2,volumes2)] )
# Chord Voices
range_3 = liniar_range(40,48,67,72)
rythem3, notenr_3 = ran_duration([1/8, 1/4,1/2], [3,3,1], melody_len)
melody3 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 53, range_3, notenr_3,rythem3)
volumes3 = ran_volume([0,100], [1,8], notenr_3 )
notes3 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody3,rythem3,volumes3)] )
range_4 = liniar_range(40,48,67,72)
rythem4, notenr_4 = ran_duration([1/8, 1/4,1/2], [3,3,1], melody_len)
melody4 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 65, range_4, notenr_4,rythem4)
volumes4 = ran_volume([0,100], [1,8], notenr_4 )
notes4 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody4,rythem4,volumes4)] )
plot_range([range_1,range_2,range_3],['range_1','range_2','range_3'],tune_name)
instruments = [56,20,0,0]
notes = [notes1,notes2,notes3,notes4]
return notes, instruments,tune_name
.. raw:: html
tune__209_C
tune_209_C
tune\_2.09\_D
-------------
- Chords: Cm Cm7/Bb Eb Ab7 G7 \| C C/E F F#dim Ab7 G7 Cm
- Three guitars playing chords
- an acoustic bass
- Organ for the base with separate bass pattern. Mostly the root note.
- Vibraphone as solo voice
.. code:: python3
def tune_209_D():
tune_name = 'tune_209_D'
np.random.seed(144 ) # 79 33
bar, bpb = 17, 4 # bar: Takt , bpb: beat per bar
melody_len = bar * bpb
# blues
#scales = [[4,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[2,C7]] # Blues
#scales = [[1,C7],[1,C7+5],[2,C7],[2,C7+5],[2,C7],[1,C7+7],[1,C7+5],[1,C7],[1,C7+7]] # Blues erweitert
#scales = [[1,CM7],[1,Cm7+9],[1,Cm7+2],[1,C7+7]] # I VI II V with 7
#scales = [[1,C],[1,Cm+9],[1,Cm+2],[1,C+7]] # I VI II V major
#scales = [[1,Cm],[1,C+8],[1,Cdim+2],[1,C7+7]] # i VI ii V minor
#scales = [[1,Cm],[1,C+8],[1,C+3],[1,C+10]] # i VI III VII minor
#scales = [[1,Cm],[1,Cm+5],[1,C+10],[1,C+3],[1,Cm],[1,Cm+5],[1,C7+7]] # Cm Fm Bb Eb Cm Fm G7
# | Cm Cm7/Bb Eb Ab7 G7 | C C/E F F#dim Ab7 G7 Cm |
scales =[[1,Cm],[1,Cm7],[1,C+3],[1,C7+8],[1,C7+7],[1,C],[1,C],[1,Cdim+6],[1,C7+8],[1,C7+7],[1,Cm]]
bass1 = [[1,B],[1,B+10],[1,B+3],[1,B+8],[1,B+7],[1,B],[1,B+4],[1,B+6],[1,B+8],[1,B+7],[1,B]]
end_scale = [[0.5,Cm],[0.5,power]]
#end_scale = [[0,power]]
pattern = pattern_gen(scales, end_scale, melody_len)
bass1 = pattern_gen(bass1, end_scale, melody_len)
#pattern2 = pattern_gen([[12,minor]], end_scale, melody_len)
# Solo voice
range_1 = liniar_range(50,60,80,88)
rythem1, notenr_1 = ran_duration([1/16,1/8, 1/4,1/2], [2,5,3,0.5], melody_len)
melody1 = acceptance_melody([-2,-1, 0, 1, 2],[1, 3, 1, 3, 1],pattern, 70, range_1, notenr_1, rythem1)
volumes1 = ran_volume([0,127], [1,4], notenr_1 )
notes1 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody1,rythem1,volumes1)] )
# Bass1 Accustic
range_2 = liniar_range(38,41,52,67)
rythem2, notenr_2 = ran_duration([1/8, 1/4,1/2], [4,4,1], melody_len)
melody2 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 50, range_2, notenr_2,rythem2)
volumes2 = ran_volume([0,60], [0,8], notenr_2 )
notes2 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody2,rythem2,volumes2)] )
# Bass2 Organ
range_6 = liniar_range(30,38,50,62)
rythem6, notenr_6 = ran_duration([1/8, 1/4,1/2], [0,1,1], melody_len)
melody6 = acceptance_melody([-2,-1, 0, 1, 2],[1, 1, 1, 1, 1],bass1, 48, range_6, notenr_6,rythem6)
volumes6 = ran_volume([0,110], [0,8], notenr_6 )
notes6 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody6,rythem6,volumes6)] )
# Chord Voices
range_3 = liniar_range(40,50,67,72)
rythem3, notenr_3 = ran_duration([1/8, 1/4,1/2], [1,2,1], melody_len)
melody3 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 65, range_3, notenr_3,rythem3)
volumes3 = ran_volume([0,80], [0,8], notenr_3 )
notes3 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody3,rythem3,volumes3)] )
range_4 = liniar_range(40,50,67,72)
rythem4, notenr_4 = ran_duration([1/8, 1/4,1/2], [1,2,1], melody_len)
melody4 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 60, range_4, notenr_4,rythem4)
volumes4 = ran_volume([0,90], [0,8], notenr_4 )
notes4 = NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody4,rythem4,volumes4)] )
range_5 = liniar_range(40,50,67,72)
rythem5, notenr_5 = ran_duration([1/8, 1/4,1/2], [1,2,1], melody_len)
melody5 = acceptance_melody([-2,-1, 0, 1, 2],[0, 3, 1, 3, 0],pattern, 54, range_5, notenr_5,rythem5)
volumes5 = ran_volume([0,90], [0,8], notenr_5 )
notes5= NoteSeq( [Note(no,octave=0, dur=du, volume=vo) for no,du,vo in zip(melody5,rythem5,volumes5)] )
plot_range([range_1,range_2,range_3],['range_1','range_2','range_3'],tune_name)
instruments = [11,32,24,24,24,16]
notes = [notes1,notes2,notes3,notes4,notes5,notes6]
return notes, instruments,tune_name
.. raw:: html
tune__209_D
tune_209_D
**Instruments:** Available are at lest the 128 General-Midi (GM)
Instruments. Depending on the sound-fonts there is a bigger choice. A
list of the GM instruments can be found here.
https://jazz-soft.net/demo/GeneralMidi.html
.. code:: python3
def gen_midi():
# squezze into a MIDI framework
notes, instruments, tune_name = tune_209_C() # <--- select a tune <<-- <<<<<<<<<--- select a tune -----
nTracks = len(notes)
m = Midi(number_tracks=nTracks, tempo=120, instrument=instruments)
for iTrack in range(nTracks):
m.seq_notes(notes[iTrack], track=iTrack)
#--- write the MIDI file -----
midi_file_name = tune_name +'.mid' # set the name of the file
m.write(midi_file_name)
return midi_file_name
.. code:: python3
######--- Main ---######
midi_file_name = gen_midi()
#midi_play(midi_file_name)
midi_audio(midi_file_name)
midi_png(midi_file_name)
.. image:: output_17_0.png
External **Music\_Generation** library
--------------------------------------
This library changes from version to version. New or changed code is
first explained above. This is a copy of music\_generation.py
.. literalinclude:: music_generation.py
:language: python
tune_209_A 
tune_209_B 
tune_209_C 
tune_209_D