More progress. Now I have major triads and a bassline, following the …

…circle of fifths. The bassline is exceptionally predictable, but I have the ability to change that.
gilesbowkett · Aug 21, 2008 · 150acc4 · 150acc4
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diff --git a/ethniq.rb b/ethniq.rb
@@ -0,0 +1,32 @@
+probabilities = {}
+
+probabilities[:none] = [0.0] * 16
+probabilities[:all] = [1.0] * 16
+
+probabilities[36] = [0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0]
+probabilities[37] = [0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0]
+probabilities[38] = [0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4, 0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0]
+probabilities[39] = [0.3, 0.0, 0.2, 0.6, 0.1, 0.0, 0.4, 0.1, 0.35, 0.15, 0.0, 0.0, 0.2, 0.0, 0.1, 0.0]
+probabilities[40] = [0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0, 0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4]
+probabilities[41] = [0.32, 0.0, 0.23, 0.0, 0.0, 0.0, 0.23, 0.0, 0.15, 0.0, 0.15, 0.0, 0.29, 0.0, 0.15, 0.0]
+probabilities[42] = [0.23, 0.0, 0.13, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.13, 0.0, 0.23, 0.0, 0.0, 0.35, 0.0]
+probabilities[43] = [0.3] * 16
+probabilities[44] = [0.15] * 16
+probabilities[45] = [0.32, 0.23] * 8
+
+def note(midi_note_number, channel)
+  Note.create(:channel => channel,
+              :number => midi_note_number,
+              :duration => 0.25,
+              :velocity => 100 + rand(27))
+end
+
+notes = []
+(36..45).each do |midi_note_number|
+  notes << Drum.new(:note => note(midi_note_number, 4),
+                    :when => L{|beat| false},
+                    :number_generator => L{rand},
+                    :next => L{|queue| queue[rand(queue.size)]},
+                    :probabilities => probabilities[midi_note_number] || probabilities[:none])
+end
+notes
diff --git a/forest_sounds.rb b/forest_sounds.rb
@@ -0,0 +1,32 @@
+probabilities = {}
+
+probabilities[:none] = [0.0] * 16
+probabilities[:all] = [1.0] * 16
+
+probabilities[36] = [0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0]
+probabilities[37] = [0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0]
+probabilities[38] = [0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4, 0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0]
+probabilities[39] = [0.3, 0.0, 0.2, 0.6, 0.1, 0.0, 0.4, 0.1, 0.35, 0.15, 0.0, 0.0, 0.2, 0.0, 0.1, 0.0]
+probabilities[40] = [0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0, 0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4]
+probabilities[41] = [0.32, 0.0, 0.23, 0.0, 0.0, 0.0, 0.23, 0.0, 0.15, 0.0, 0.15, 0.0, 0.29, 0.0, 0.15, 0.0]
+probabilities[42] = [0.23, 0.0, 0.13, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.13, 0.0, 0.23, 0.0, 0.0, 0.35, 0.0]
+probabilities[43] = [0.3] * 16
+probabilities[44] = [0.15] * 16
+probabilities[45] = [0.32, 0.23] * 8
+
+def note(midi_note_number, channel)
+  Note.create(:channel => channel,
+              :number => midi_note_number,
+              :duration => 0.25,
+              :velocity => 100 + rand(27))
+end
+
+notes = []
+(36..45).each do |midi_note_number|
+  notes << Drum.new(:note => note(midi_note_number, 5),
+                    :when => L{|beat| false},
+                    :number_generator => L{rand},
+                    :next => L{|queue| queue[rand(queue.size)]},
+                    :probabilities => probabilities[midi_note_number] || probabilities[:none])
+end
+notes
diff --git a/harmonic_cycle.rb b/harmonic_cycle.rb
@@ -1,57 +1,33 @@
 $clock.bpm = 30
-$mutation = L{|measure| true}
+$mutation = L{|measure| 0 == (measure - 1) % 2}
 $measures = 4
 
-next_midi_note_number = OCTAVES[3].to_a[SCALE[CIRCLE_OF_FOURTHS.next]]
+root = OCTAVES[2].to_a[SCALE[CIRCLE_OF_FIFTHS.next]]
-puts next_midi_note_number
+puts root
 
-def note(midi_note_number)
+def note(midi_note_number, channel)
-  Note.create(:channel => 2,
+  Note.create(:channel => channel,
               :number => midi_note_number,
               :duration => 3.00,
               :velocity => 100 + rand(27))
 end
 
 notes = []
-notes << Drum.new(:note => note(next_midi_note_number),
+bass = Drum.new(:note => note(root - 36, 1),
-                  :when => L{|beat| false},
+                :when => L{|beat| false},
-                  # :number_generator => L{0.9},
+                :next => L{|queue| queue[queue.size - 1]},
-                  :next => L{|queue| queue[queue.size - 1]},
+                :number_generator => L{rand},
-                  :number_generator => L{rand},
+                :probabilities => [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0])
-                  # :next => L{|queue| queue[rand(queue.size)]},
+notes << bass
-                  :probabilities => [1.0] + [0.0] * 15)
+
+MAJOR_TRIAD.each do |number|
+  notes << Drum.new(:note => note(root + number, 2),
+                    :when => L{|beat| false},
+                    :next => L{|queue| queue[queue.size - 1]},
+                    :number_generator => L{rand},
+                    :probabilities => [1.0] + [0.0] * 15)
+  end
 notes
 
-# 
+# def temple_bells ; do(:awesome).stuff ; end
-# 
+# notes << temple_bells
-# probabilities = {}
-# 
-# probabilities[36] = [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0]
-# probabilities[37] = [0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0]
-# probabilities[38] = [0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4, 0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0]
-# probabilities[39] = [0.3, 0.0, 0.2, 0.6, 0.1, 0.0, 0.4, 0.1, 0.35, 0.15, 0.0, 0.0, 0.2, 0.0, 0.1, 0.0]
-# probabilities[40] = [0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0, 0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4]
-# probabilities[41] = [0.76, 0.0, 0.23, 0.0, 0.0, 0.0, 0.67, 0.0, 0.15, 0.0, 0.15, 0.0, 0.49, 0.0, 0.15, 0.0]
-# probabilities[42] = [0.75, 0.0, 0.13, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.13, 0.0, 0.23, 0.0, 0.0, 0.35, 0.0]
-# probabilities[43] = [0.9] * 16
-# probabilities[44] = [0.65] * 16
-# probabilities[45] = [0.85, 0.35] * 8
-# 
-# def note(midi_note_number)
-#   Note.create(:channel => 2,
-#               :number => midi_note_number,
-#               :duration => 0.25,
-#               :velocity => 100 + rand(27))
-# end
-# 
-# notes = []
-# (36..45).each do |midi_note_number|
-#   notes << Drum.new(:note => note(midi_note_number),
-#                     :when => L{|beat| false},
-#                     # :number_generator => L{0.9},
-#                     :next => L{|queue| queue[queue.size - 1]},
-#                     :number_generator => L{rand},
-#                     # :next => L{|queue| queue[rand(queue.size)]},
-#                     :probabilities => probabilities[midi_note_number] || probabilities[:none])
-# end
-# notes
diff --git a/lib/pitches.rb b/lib/pitches.rb
@@ -31,6 +31,7 @@
 # chords! this can also happen with scales!
 MINOR_7TH = [0, 2, 6, 9]
 MAJOR_7TH = [0, 4, 7, 11]
+MAJOR_TRIAD = [0,4,7]
 
 MAJOR_SCALE = [0, 2, 4, 5, 7, 9, 11]
 MINOR_SCALE = [0, 2, 3, 5, 7, 8, 10]

diff --git a/music_software_files/temple.rns b/music_software_files/temple.rns
diff --git a/temple.rb b/temple.rb
@@ -11,7 +11,13 @@
                  :logging => false,
                  :evil_timer_offset_wtf => 0.2,
                  :generator => Mix.new(:rhythms => [Rhythm.new(:drumfile => "harmonic_cycle.rb",
-                                                               :mutation => $mutation)]))
+                                                               :mutation => $mutation),
+                                                    Rhythm.new(:drumfile => "xanadu.rb",
+                                                               :mutation => L{|measure| 0 == (measure - 1) % 16}),
+                                                    Rhythm.new(:drumfile => "forest_sounds.rb",
+                                                               :mutation => L{|measure| 0 == (measure - 1) % 16}),
+                                                    Rhythm.new(:drumfile => "ethniq.rb",
+                                                               :mutation => L{|measure| 0 == (measure - 1) % 16})]))
 @loop.go
 
 

diff --git a/xanadu.rb b/xanadu.rb
@@ -0,0 +1,32 @@
+probabilities = {}
+
+probabilities[:none] = [0.0] * 16
+probabilities[:all] = [1.0] * 16
+
+probabilities[36] = [0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0]
+probabilities[37] = [0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0, 0.23, 0.0, 0.0, 0.0, 0.0, 0.0]
+probabilities[38] = [0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4, 0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0]
+probabilities[39] = [0.3, 0.0, 0.2, 0.6, 0.1, 0.0, 0.4, 0.1, 0.35, 0.15, 0.0, 0.0, 0.2, 0.0, 0.1, 0.0]
+probabilities[40] = [0.0, 0.0, 0.2, 0.0, 0.4, 0.0, 0.0, 0.0, 0.2, 0.0, 0.3, 0.0, 0.3, 0.1, 0.3, 0.4]
+probabilities[41] = [0.32, 0.0, 0.23, 0.0, 0.0, 0.0, 0.23, 0.0, 0.15, 0.0, 0.15, 0.0, 0.29, 0.0, 0.15, 0.0]
+probabilities[42] = [0.23, 0.0, 0.13, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.13, 0.0, 0.23, 0.0, 0.0, 0.35, 0.0]
+probabilities[43] = [0.3] * 16
+probabilities[44] = [0.15] * 16
+probabilities[45] = [0.32, 0.23] * 8
+
+def note(midi_note_number, channel)
+  Note.create(:channel => channel,
+              :number => midi_note_number,
+              :duration => 0.25,
+              :velocity => 100 + rand(27))
+end
+
+notes = []
+(36..45).each do |midi_note_number|
+  notes << Drum.new(:note => note(midi_note_number, 3),
+                    :when => L{|beat| false},
+                    :number_generator => L{rand},
+                    :next => L{|queue| queue[rand(queue.size)]},
+                    :probabilities => probabilities[midi_note_number] || probabilities[:none])
+end
+notes