diff --git a/blues_solo.py b/blues_solo.py index 45791ad..02be468 100644 --- a/blues_solo.py +++ b/blues_solo.py @@ -4,6 +4,7 @@ import numpy as np from random import choice + def add_note(out, instr, key_num, duration, bpm, volume): """ Adds a note from the given instrument to the specified stream @@ -31,6 +32,35 @@ def add_note(out, instr, key_num, duration, bpm, volume): blues_scale = [25, 28, 30, 31, 32, 35, 37, 40, 42, 43, 44, 47, 49, 52, 54, 55, 56, 59, 61] beats_per_minute = 45 # Let's make a slow blues solo -add_note(solo, bass, blues_scale[0], 1.0, beats_per_minute, 1.0) +curr_note = choice([0, 6, 12, 18]) +add_note(solo, bass, blues_scale[curr_note], 1.0, beats_per_minute, 1.0) + +licks = [ [ [1,0.5], [1,0.5], [1, 0.5], [1, 0.5] ], [ [1, 0.5*1.1], [1, 0.5*0.9], [1, 0.5*1.1], [1, 0.5*0.9] ], +[ [-1, 0.5], [-1, 0.5], [-1, 0.5], [-1, 0.5] ],[ [-1, 0.5*1.1], [-1, 0.5*0.9], [-1, 0.5*1.1], [-1, 0.5*0.9] ],[ [1, 0.5], [1, 0.5*1.1], [-1, 0.5*0.9], [1, 0.25], [0, 0.25] ] ] +for i in range(4): + lick = choice(licks) + for note in lick: + if curr_note == 0: + curr_note += abs(note[0]) + if curr_note == len(blues_scale)-1: + curr_note -= abs(note[0]) + else: + curr_note += note[0] + add_note(solo, bass, blues_scale[curr_note], note[1], beats_per_minute, 1.0) + +backing_track = AudioStream(sampling_rate, 1) +Wavefile.read('backing.wav', backing_track) + +m = Mixer() + +solo *= 0.4 # adjust relative volumes to taste +backing_track *= 2.0 + +m.add(2.25, 0, solo) # delay the solo to match up with backing track +m.add(0, 0, backing_track) + +m.getStream(500.0) >> "slow_blues.wav" + + + -solo >> "blues_solo.wav" \ No newline at end of file diff --git a/blues_solo.wav b/blues_solo.wav new file mode 100644 index 0000000..9cc8b92 Binary files /dev/null and b/blues_solo.wav differ diff --git a/slow_blues.wav b/slow_blues.wav new file mode 100644 index 0000000..33ecaf8 Binary files /dev/null and b/slow_blues.wav differ