/usr/share/sonic-pi/examples/magician/acid.rb is in sonic-pi-server 2.10.0~repack-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | # Coded by Sam Aaron
use_debug false
load_sample :bd_fat
8.times do
sample :bd_fat, amp: (line 0, 5, steps: 8).tick
sleep 0.5
end
live_loop :drums do
sample :bd_fat, amp: 5
sleep 0.5
end
live_loop :acid do
cue :foo
4.times do |i|
use_random_seed 667
16.times do
use_synth :tb303
play chord(:e3, :minor).choose, attack: 0, release: 0.1, cutoff: rrand_i(50, 90) + i * 10
sleep 0.125
end
end
cue :bar
32.times do |i|
use_synth :tb303
play chord(:a3, :minor).choose, attack: 0, release: 0.05, cutoff: rrand_i(70, 98) + i, res: rrand(0.9, 0.95)
sleep 0.125
end
cue :baz
with_fx :reverb, mix: 0.3 do |r|
32.times do |m|
control r, mix: 0.3 + (0.5 * (m.to_f / 32.0)) unless m == 0 if m % 8 == 0
use_synth :prophet
play chord(:e3, :minor).choose, attack: 0, release: 0.08, cutoff: rrand_i(110, 130)
sleep 0.125
end
end
cue :quux
in_thread do
use_random_seed 668
with_fx :echo, phase: 0.125 do
16.times do
use_synth :tb303
play chord(:e3, :minor).choose, attack: 0, release: 0.1, cutoff: rrand(50, 100)
sleep 0.25
end
end
end
sleep 4
end
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