def test_sequencer_simple(out="out.mid", bpm=120, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=20)
start = 0
end = 120
pi = [BassDrum1, S, AcousticSnare, ClosedHiHat, BassDrum1]
pv = [H, 0, M, M, H]
pd = [1, 1, 1, 1, 1]
pattern = Pattern("drum", 1, pi, pv, pd, repeatable=True)
seq.time = start
seq.channel = CHANNEL_DRUMS
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
# print(seq.notes())
mt.add_track(seq.notes)
save_midi(mt)
def test_drums_simple(out="out.mid", bpm=120, beats_per_bar=5):
mt = MIDITime(bpm, out)
start = 0
end = 120
drums = []
d = 1
v = 127
for t in range(start, end):
step = t % beats_per_bar
if step == 0:
n = BassDrum1
drums.append([[t, n, v, d], CHANNEL_DRUMS])
elif step == 2:
n = AcousticSnare
drums.append([[t, n, v, d], CHANNEL_DRUMS])
elif step == 3:
n = ClosedHiHat
drums.append([[t, n, v, d], CHANNEL_DRUMS])
elif step == 4:
n = BassDrum1
drums.append([[t, n, v, d], CHANNEL_DRUMS])
mt.add_track(drums)
save_midi(mt)
def test_hi_ride_sounds(out="out.mid", bpm=180, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=30)
start = 0
end = 120
pi = [] # length, character, ability to be looped
# drummer - main
pi = []
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(SILENCE)
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(SILENCE)
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(SILENCE)
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(OpenHiHat) # long tss, single
pi.append(RideCymbal2) # long, repeat
pi.append(SILENCE)
pi.append(RideCymbal2) # long, repeat
pi.append(SILENCE)
pi.append(RideCymbal2) # long, repeat
pi.append(SILENCE)
pi.append(RideBell) # long bell, repeat
pi.append(CrashCymbal1) # long crash, single
# pi = [val for val in pi for _ in range(0, 4)]
pv = []
pd = []
pattern = Pattern("drums",
int(ceil(len(pi) / beats_per_bar)),
pi,
pv,
pd,
repeatable=True)
seq.channel = CHANNEL_DRUMS
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
mt.add_track(seq.notes)
save_midi(mt)
def save(self):
tracks = self.drummer.tracks + self.player.tracks
for notes in tracks:
self.__mt.add_track(notes)
if tracks:
save_midi(self.__mt, StyleManager().style.instruments_per_channel)
else:
save_midi(self.__mt) # empty
def test_generator(out="out.mid", bpm=120, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=10)
prng = RandomState(75123481)
start = 0
end = 120
scale = [A, C, D, E, G]
# create the pattern as directions for a walk within a scale
pi = [STAY, -1, UP, -1, UP, DOWN, ROOT_DOWN, -1, -1, NEXT_ROOT]
pv = [H, 0, M, 0, H, H, M, 0, 0, M]
pd = [2, 1, 1, 3, 1, 1, 3, 0, 0, 1]
pattern0 = Pattern("piano1", 2, pi, pv, pd, repeatable=True)
patterns = [
pattern0.walk_from_these_directions(len(scale), prng)
for _ in range(1, 10)
]
patterns = [p for p in patterns if p]
print("available: ", len(patterns))
if not patterns:
print("Couldn't generate any patterns from these directions.")
return
for (i, p) in enumerate(patterns):
print(i, ": ", p.indices)
pattern = patterns[0]
# convert to sounds
walker = ScaleWalker(Scale(ScaleBlueprint(scale), E))
pattern = pattern.sound_pattern_from_this_walk(walker)
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
print(seq.notes)
mt.add_track(seq.notes)
save_midi(mt)
def test_sequencer_relative(out="out.mid", bpm=120, beats_per_bar=10):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=10)
start = 0
end = 120
# create the pattern as indices within a scale
pi = [0, S, 1, S, 2]
pv = [H, 0, M, 0, H]
pd = [1, 1, 1, 1, 1]
pattern = Pattern("piano", 1, pi, pv, pd, repeatable=True)
# convert to sounds
walker = ScaleWalker(Scale(ScaleBlueprint([A, C, D, E, G]), E))
print(pattern.indices)
pattern = pattern.sound_pattern_from_this_walk(walker)
print(pattern.indices)
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
print(seq.notes)
mt.add_track(seq.notes)
save_midi(mt)
def test_fill_sounds(out="out.mid", bpm=240, beats_per_bar=4):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=30)
start = 0
end = 120
# drummer - main
pi = []
pi.append(LowFloorTom) # roomy tom, some
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(LowTom) # roomy tom 3, some
pi.append(LowMidTom) # short tom, some
pi.append(HiMidTom) # short tom 2, some
pi.append(HighTom) # short tom, some
pi = []
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(LowFloorTom) # roomy tom, some
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(LowTom) # roomy tom 3, some
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(OpenHiHat) # long tss, single
pi.append(RideCymbal2) # long, repeat
pi.append(LowMidTom) # short tom, some
pi.append(RideCymbal2) # long, repeat
pi.append(HiMidTom) # short tom 2, some
pi.append(RideCymbal2) # long, repeat
pi.append(HighTom) # short tom, some
pi.append(RideBell) # long bell, repeat
pi.append(CrashCymbal1) # long crash, single
# pi = [val for val in pi for _ in range(0, 4)]
pv = []
pd = []
pattern = Pattern("drums",
int(ceil(len(pi) / beats_per_bar)),
pi,
pv,
pd,
repeatable=True)
seq.channel = CHANNEL_DRUMS
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
mt.add_track(seq.notes)
save_midi(mt)
def test_tom_sounds(out="out.mid", bpm=240, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=30)
start = 0
end = 120
pi = [] # length, character, ability to be looped
# drummer - main
pi = []
# tom - fills and solos
pi.append(HiMidTom) # short tom 2, some
pi.append(HiMidTom) # short tom 2, some
pi.append(SILENCE)
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(SILENCE)
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(SILENCE)
pi.append(HiMidTom) # short tom 2, some
pi.append(HiMidTom) # short tom 2, some
pi.append(HiMidTom) # short tom 2, some
pi.append(SILENCE)
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(SILENCE)
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(SILENCE)
pi.append(HiMidTom) # short tom 2, some
pi.append(LowFloorTom) # roomy tom, some
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(LowTom) # roomy tom 3, some
pi.append(LowMidTom) # short tom, some
pi.append(HiMidTom) # short tom 2, some
pi.append(HighTom) # short tom, some
# pi = [val for val in pi for _ in range(0, 4)]
pv = []
pd = []
pattern = Pattern("drums",
int(ceil(len(pi) / beats_per_bar)),
pi,
pv,
pd,
repeatable=True)
seq.channel = CHANNEL_DRUMS
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
mt.add_track(seq.notes)
save_midi(mt)
def test_drummer_sounds(out="out.mid", bpm=120, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=30)
start = 0
end = 120
pi = [] # length, character, ability to be looped
# drummer - main
pi = []
# bass - beat or timing element with basic pulse patterns
pi.append(AcousticBassDrum) # short, dead, repeat
pi.append(BassDrum1) # short, bassy, repeat
# stick - intro
pi.append(SideStick) # very short, single
# snare - regular accents, fills
pi.append(ElectricSnare) # cool snare, single
# tom - fills and solos
pi.append(LowFloorTom) # roomy tom, some
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(LowTom) # roomy tom 3, some
pi.append(LowMidTom) # short tom, some
pi.append(HiMidTom) # short tom 2, some
pi.append(HighTom) # short tom, some
# ride - constant-rhythm pattern
pi.append(RideCymbal1) # long crash, some
pi.append(RideCymbal2) # long, repeat
pi.append(RideBell) # long bell, repeat
# hi-hat - similar to ride, not at the same time
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(OpenHiHat) # long tss, single
# crash - accent markers, major changes
pi.append(CrashCymbal1) # long crash, single
pi.append(CrashCymbal2) # long, single
pi.append(RideCymbal2) # long, repeat
pi.append(RideCymbal2) # long, repeat
pi.append(OpenHiHat) # long tss, single
pi.append(RideCymbal2) # long, repeat
pi.append(RideCymbal1) # long crash, some
pi.append(RideCymbal1) # long crash, some
pi.append(RideCymbal1) # long crash, some
pi.append(OpenHiHat) # long tss, single
pi.append(RideCymbal1) # long crash, some
pi.append(RideCymbal1) # long crash, some
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(OpenHiHat) # long tss, single
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(OpenHiHat) # long tss, single
pi = [val for val in pi for _ in range(0, 4)]
pv = []
pd = []
pattern = Pattern("drums",
int(ceil(len(pi) / beats_per_bar)),
pi,
pv,
pd,
repeatable=True)
seq.channel = CHANNEL_DRUMS
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
mt.add_track(seq.notes)
save_midi(mt)
def test_useful_drum_sounds(out="out.mid", bpm=160, beats_per_bar=5):
mt = MIDITime(bpm, out)
seq = Sequencer(beats_per_bar=beats_per_bar, perturb_velocity_cap=10)
start = 0
end = 120
pi = [] # length, character, ability to be looped
# drummer - main
pi = []
pi.append(AcousticBassDrum) # short, dead, repeat
pi.append(BassDrum1) # short, bassy, repeat
pi.append(SideStick) # very short, single
pi.append(ElectricSnare) # cool snare, single
pi.append(LowFloorTom) # roomy tom, some
pi.append(ClosedHiHat) # very short tss, repeat
pi.append(HighFloorTom) # roomy tom 2, some
pi.append(PedalHiHat) # very short tss 2, repeat
pi.append(LowTom) # roomy tom 3, some
pi.append(OpenHiHat) # long tss, single
pi.append(LowMidTom) # short tom, some
pi.append(HiMidTom) # short tom 2, some
pi.append(CrashCymbal1) # long crash, single
pi.append(HighTom) # short tom, some
pi.append(RideCymbal1) # long crash, some
pi.append(RideBell) # long bell, repeat
pi.append(CrashCymbal2) # long, single
pi.append(RideCymbal2) # long, repeat
# drummer - limited usefulness
pi.append(SplashCymbal) # long, single
pi.append(AcousticSnare) # unimpressive tsh, single
pi.append(MuteTriangle) # short, repeat
pi.append(ChineseCymbal) # different crash, long, single
# cowbell operator
pi.append(Cowbell) # short cowbell, repeat
# background drums
pi.append(HiBongo) # short, some
pi.append(OpenHiConga) # drummy, some
pi.append(LowConga) # drummy 2, some
pi.append(LowBongo) # short, dead, single
pi.append(MuteHiConga) # very short, dead, single
pi.append(HighTimbale) # different drummy, single
pi.append(LowTimbale) # different drummy 2, single
pi.append(HiWoodBlock) # knocky, some
pi.append(LowWoodBlock) # knocky 2, some
# background jingling sounds
pi.append(Tambourine) # short, single
pi.append(HighAgogo) # very short jingle, single
pi.append(LowAgogo) # very short jingle 2, single
pi.append(Claves) # hammery, single
pi.append(OpenTriangle) # long, single
# weird person-related sounds
pi.append(HandClap) # unimpressive clap, single
pi.append(LongWhistle) # long, already annoying, some (annoying)
pi.append(ShortWhistle) # short, single
pi.append(MuteCuica) # woo, single
pi.append(OpenCuica) # moo, single
# weird instrument sounds
pi.append(Vibraslap) # weird, single
pi.append(Cabasa) # short, sandy, single
pi.append(Maracas) # very short, single
pi.append(ShortGuiro) # buzzy, single
pi.append(LongGuiro) # scratchy, some (annoying)
# pi = [val for val in pi for _ in range(0, 4)]
pv = []
pd = []
pattern = Pattern("drums",
int(ceil(len(pi) / beats_per_bar)),
pi,
pv,
pd,
repeatable=True)
seq.channel = CHANNEL_DRUMS
seq.time = start
if not seq.compatible(pattern):
print("Pattern incompatible")
return
while seq.time < end:
if not seq.append(pattern):
print("Couldn't append")
mt.add_track(seq.notes)
save_midi(mt)
def test_scales(out="out.mid", bpm=120):
mt = MIDITime(bpm, out)
blueprint = ScaleBlueprint([A, C, D, E, G])
if not blueprint:
print("Bad blueprint")
return
scale = Scale(blueprint, E)
if not scale:
print("Bad scale")
return
scalewlk = ScaleWalker(scale)
if not scalewlk:
print("Bad scale walker")
notes = []
# Example:
# [0, 60, 127, 3]
# At 0 beats (the start), Middle C with velocity 127, for 3 beats
# [10, 61, 127, 4]
# At 10 beats (12 seconds from start), C#5 with velocity 127, for 4 beats
v = 127
n = scalewlk.current.midi_note
t = 0
d = 2
notes.append([t, n, v, d])
scalewlk.walk(1)
n = scalewlk.current.midi_note
t += 2
d = 3
notes.append([t, n, v, d])
scalewlk.walk(2)
n = scalewlk.current.midi_note
t += 3
d = 3
notes.append([t, n, v, d])
scalewlk.walk(-4)
n = scalewlk.current.midi_note
t += 3
d = 5
notes.append([t, n, v, d])
scalewlk.walk(1)
n = scalewlk.current.midi_note
t += 5
d = 6
notes.append([t, n, v, d])
mt.add_track(notes)
# one instrument per channel
mt.add_track([[[2, 64, 127, 10], 1]])
mt.add_track([[[12, 61, 127, 5], 2]])
mt.add_track([[[17, 64, 127, 5], 3]])
save_midi(mt, [0, 16, 20, 53])