Industrial Beat - my Sonic Pi masterpiece. | 100 lines, 2 minutes 0 seconds.

industrial_beat.txt

# Define the delay (we wiil change it soon!)
delay = 0.90
# Start the opening sequence (with snare drums)
3.times do
  sample :sn_dub
  sleep 0.45
end
sample :sn_zome
sleep 0.45
# Define the first a-section, with an industrial loop
# (here it uses the delay variable!)
define :a1 do
  8.times do
    sample :loop_industrial
    sleep delay
  end
end
# Define the second a-section, which is the same as a1
# but with a rate change (and loop 15 times!)
define :a2 do
  15.times do
    sample :loop_industrial, rate: 0.5
    sleep delay
  end
end
# Define the first b-section, which plays notes
# with the echo fx
define :b1 do
  4.times do
    with_fx :echo do
      play 70
      sleep delay
    end
  end
end
# Define the second b-section, which is the same as
# b1 but the certain note played has changed
define :b2 do
  4.times do
    with_fx :echo do
      play 66
      sleep delay
    end
  end
end
# Introduce the first loop
a1
# Define a needed loop
define :both_bs do
  2.times do
    b1
    b2
  end
end
# Define the first section!
define :section_a do
  # Thread two a1 loops with the next loop
  in_thread do
    a1
    a1
  end
  # Play b1 THEN b2 at the same time as the a1 loop, but
  # twice, all using the both_bs loop above
  both_bs # End of first thread
  # Thread a lunar_land sample with the both_bs loop
  in_thread do
    sample :ambi_lunar_land
  end
  # Change the delay!
  delay = 1
  both_bs
  # Normalize the delay
  delay = 0.90 # End of second thread
end
# Last section is defined. Same as section_a but it uses
# the a2 loop instead of a1, and is longer.
define :section_b do
  in_thread do
    a2
  end
  both_bs
  2.times do
    in_thread do
      sample :ambi_lunar_land
    end
    delay = 1
    both_bs
    delay = 0.90
  end
  sample :loop_industrial, rate: 0.2, sustain: 2.1
  sleep 2.2
  sample :loop_industrial, rate: 0.2, sustain: 2.9
end
# Here is the main section!
# Run section_a twice, then run section_b
2.times do
  section_a
end
section_b
# Alright, it's over!