sonic pi project

#########################################

use_bpm 67

in_thread(name: :drum_machine) do

  # choose your kit here (can be :acoustic, :acoustic_soft, :electro, :toy)
  use_kit :acoustic

  # program your pattern here - each item in the list represents 1/4 of a beat
  # for each item, enter a number between 0 and 9 (0=silent,9=loudest)
  hat   [1, 9, 1, 9,  0, 3, 4, 6,  7, 8, 9, 9,  0, 9, 9, 9]
  kick  [9, 0, 9, 0,  0, 0, 9, 9,  9, 0, 0, 0,  0, 0, 9, 0]
  snare [0, 0, 9, 0,  9, 0, 0, 0,  0, 0, 0, 0,  9, 0, 0, 9]

end


############################################

drum_kits = {
  acoustic: {
    hat:   :drum_cymbal_closed,
    kick:  :drum_bass_hard,
    snare: :drum_snare_hard
  },
  acoustic_soft: {
    hat:   :drum_cymbal_closed,
    kick:  :drum_bass_soft,
    snare: :drum_snare_soft
  },
  electro: {
    hat:   :elec_triangle,
    kick:  :elec_soft_kick,
    snare: :elec_hi_snare
  },
  toy: {
    hat:   :elec_tick,
    kick:  :elec_hollow_kick,
    snare: :elec_pop
  }
}
current_drum_kit = drum_kits[:acoustic]


define :use_kit do |kit_name|
  current_drum_kit = drum_kits[kit_name]
end

live_loop :pulse do
  sleep 0.1
end

define :run_pattern do |name, pattern|
  live_loop name do
    sync :pulse
    pattern.each do |p|
      sample current_drum_kit[name], amp: p/9.0
    sleep 0.25
   end
  end
end

define :hat do |pattern|
  run_pattern :hat, pattern
end

define :kick do |pattern|
  run_pattern :kick, pattern
end

define :snare do |pattern|
  run_pattern :snare, pattern
end

define :snare do |pattern|
  run_pattern :snare, pattern
end



use_bpm 70

sleep 0.1
play 53
sleep 0.4
play 77
sleep 0.6
play 72
sleep 0.2
play 74
sleep 0.3
play 72
sleep 0.2
play 77
sleep 0.4
play 77
sleep 0.4
play 74
sleep 0.3
play 72
sleep 0.2
play 67
sleep 0.3
play 69
sleep 0.2
play 65
sleep 0.4
play 77
sleep 0.5
play 72
sleep 0.2
play 74
sleep 0.3
play 72
sleep 0.2
play 80
sleep 0.3
play 81
sleep 0.2
play 77
sleep 0.4
play 74
sleep 0.3
play 72
sleep 0.2
play 67
sleep 0.3
play 69
sleep 0.2
play 65
sleep 0.6
play 77
sleep 0.6
play 72
sleep 0.2
play 74
sleep 0.3
play 72
sleep 0.2
play 77
sleep 0.4
play 77
sleep 0.3
play 75
sleep 0.2
play 75
sleep 0.3
play 74
sleep 0.2
play 74
sleep 0.3
play 72
sleep 0.2
play 72
sleep 0.2
play 70