def chord_fade(chord1, chord2, synth, length):
env = Controller(0)
env.lineto(length / 2, 1)
env.lineto(length, 0)
a = Layer([synth(x, length / 2) for x in notes(chord1)])
b = Layer([synth(x, length / 2) for x in notes(chord2)])
return Chain([a, b]) * env
def block6():
l = BEAT * 14
return Chain([
chord_fade('D4 E4 G4 C5', 'C4 D4 F4 Bb4', synth1, l),
chord_fade('A3 Bb3 D4 G4', 'G3 A3 C4 F4', synth1, l),
chord_fade('Ab3 D4 E4 G4 C5', 'G3 C4 D4 F4 Bb4', synth1, l),
chord_fade('E3 A3 Bb3 D4 G4', 'D3 G3 A3 C4 F4', synth1, l),
])
def block1(p):
return (
synth1(p + 7, BEAT * 1.5) +
Chain([
synth1(p + 4, BEAT * 0.5),
synth1(p + 2, BEAT * 0.5),
synth1(p, BEAT * 0.5),
])
)
def practice_block(pitches, note_length):
beat = 60 / tempo
osc1 = multi_saw([1.0, .00])
freqs = [p2f(x) for x in pitches]
tick_decay = 0.001
tick1 = Sine(3000) * ExpDecay(tick_decay)
tick1.mlength = beat
tick = Sine(1500) * ExpDecay(tick_decay)
tick.mlength = beat
ticks = Chain([tick1] + [tick] * ceil(len(freqs) * note_length + 3))
ch = Chain(start_offset=beat * 4)
for freq in freqs:
ch.add(osc1(freq).take(beat * note_length))
return ch * 0.2 + ticks
def main():
scale_pitches = notes(scale)
pitch_range = notes(note_range)
i_start = lowest_index(scale_pitches, pitch_range[0])
pitches = []
for x in steps:
for y in pattern:
pitches.append(scale_pitch(scale_pitches, x + y + i_start))
n_lengths = note_lengths + list(reversed(note_lengths[1:-1]))
a = Chain([practice_block(pitches, x) for x in n_lengths])
a = Chain([a] * 1000)
a.play()
def block5():
a = Chain([
block3(note('C4')) * .9,
block3(note('Bb3')) * .9,
])
return Chain([a, a])
def chord_fade(chord1, chord2, synth, length):
env = Controller(0)
env.lineto(length / 2, 1)
env.lineto(length, 0)
a = Layer([synth(x, length / 2) for x in notes(chord1)])
b = Layer([synth(x, length / 2) for x in notes(chord2)])
return Chain([a, b]) * env
def block6():
l = BEAT * 14
return Chain([
chord_fade('D4 E4 G4 C5', 'C4 D4 F4 Bb4', synth1, l),
chord_fade('A3 Bb3 D4 G4', 'G3 A3 C4 F4', synth1, l),
chord_fade('Ab3 D4 E4 G4 C5', 'G3 C4 D4 F4 Bb4', synth1, l),
chord_fade('E3 A3 Bb3 D4 G4', 'D3 G3 A3 C4 F4', synth1, l),
])
a = block5()
b = block6()
b.play()
a = Chain([a] * 128)
a = a * 0.9
a.play()
# a = synth1(note('C4'), 1)
# a.play()