20150302 sonic pi

20150302_sonic_pi.rb

use_bpm 120

define :bass_note do |n, s|
  play n, attack: 0, sustain: s, release: 0.05, amp: 1
end

define :two_bass_notes do |n|
  bass_note n, 0.1
  sleep 0.25
  bass_note n, 0.5
  sleep 0.75
end

use_synth :fm
live_loop :bass do
  [39, 41, 36, 36, 39, 38, 36, 36].each do |n|
    4.times{two_bass_notes n}
  end
end

live_loop :drums do
  with_fx :lpf, cutoff: 90  do
    sample :bd_sone, amp: 4
  end
  sleep 1
end

live_loop :notes do
  with_fx :echo do
    p = rrand(-1, 1)
    play [60, 67].choose, amp: rrand(0.1, 0.2), pan: p
    play [60, 79].choose, amp: rrand(0.1, 0.2), pan: p
    play [60, 55].choose, amp: rrand(0.1, 0.2), pan: p
  end
  sleep 0.5
end

live_loop :snare do
  sync :drums
  with_fx :echo, phase: 2.5 do
    with_fx :slicer, pulse_width: 0.125 do
      sample :sn_dolf
    end
  end
  sleep 4
end

live_loop :cym do
  with_fx :echo, phase: 0.3, decay: 1.2  do
    sample :drum_cymbal_pedal
  end
  sleep 2
end

live_loop :mel do
  sync :drums
  use_synth :mod_fm
  play 60, release: 4, mod_range: [12, 24, 36].choose, amp: rrand(0.1, 0.2)
  sleep 1
end