music_dsl.rb

my_proj = Project.new do
  drum_kit do
    kick "kick.wav"
    closed_hi_hat "closedhihat.wav"
    snare "snare.wav"
  end
  patterns do
    simple do
      kick
      kick & snare
      kick
      kick & snare
    end
    my_cool_beat do
      kick & closed_hi_hat
      closed_hi_hat
      snare & closed_hi_hat
      closed_hi_hat
      closed_hi_hat
      kick & closed_hi_hat
      snare & closed_hi_hat
      closed_hi_hat
    end
  end
end
my_proj.drum_kit.kick.play # => Would play "kick.wav"
my_proj.patterns.simple.play # => Would play the pattern "simple" once