diff --git a/blues_solo.py b/blues_solo.py index 45791ad..9f5b5c2 100644 --- a/blues_solo.py +++ b/blues_solo.py @@ -31,6 +31,44 @@ 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) -solo >> "blues_solo.wav" \ No newline at end of file +roots = [0, 6, 12] +curr_note = choice(roots) +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, 0.5], [-1, 1]], + [[2, 0.5], [2, 0.5], [2, 0.75], [-1, 0.25]], + [[2, 0.5*1.1], [-1, 0.5*0.9], [2, 0.5*1.1], [-1, 0.5*0.9]], + [[-2, 1], [0,1]], + [[3, 2]], + [[0, 0.3], [0, 0.3], [0, 0.3], [2, 1.1]]] + +for i in range(16): + lick = choice(licks) + for note in lick: + if curr_note <= 0: + curr_note = 1 + elif curr_note >= len(blues_scale) - 1: + curr_note = choice(range(len(blues_scale) - 1)) + else: + curr_note += note[0] + if i > 10 and i < 14: + add_note(solo, bass, blues_scale[curr_note], note[1], beats_per_minute, 1.0 + float(i)/4) + else: + add_note(solo, bass, blues_scale[curr_note], note[1], beats_per_minute, 1.0) + +# solo >> "blues_solo.wav" + +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" \ No newline at end of file