This is the song "In the Hall of the Mountain King" by Edvard Grieg. This is to be used in the program SonicPi. This is my first real song I made on it and I had to teach myself sheet music reading in order to do this. It was fun.

mountainKing.rb

in_thread(name: :basic) do
  use_synth :mod_fm
  #sleep (bar * 2)

  bar = 2.25
  half = bar/2.0
  quarter = bar/4.0
  eighth = bar/8.0

  2.times do
    bar = bar -0.25
    half = bar/2.0
    quarter = bar/4.0
    eighth = bar/8.0


    #bar 1
    play chord(:D3), release: eighth
    sleep eighth
    play chord(:E3), release: eighth
    sleep eighth
    play chord(:F3), release: eighth
    sleep eighth
    play chord(:G3), release: eighth
    sleep eighth

    play chord(:A3), release: eighth
    sleep eighth
    play chord(:F3), release: eighth
    sleep eighth
    play chord(:A3), release: quarter
    sleep quarter

    #bar 2
    play chord(:GS3), release: eighth
    sleep eighth
    play chord(:E3), release: eighth
    sleep eighth
    play chord(:GS3), release: quarter
    sleep quarter

    play chord(:G3), release: eighth
    sleep eighth
    play chord(:EB3), release: eighth
    sleep eighth
    play chord(:G3), release: quarter
    sleep quarter

    #bar 3
    play chord(:D3), release: eighth
    sleep eighth
    play chord(:E3), release: eighth
    sleep eighth
    play chord(:F3), release: eighth
    sleep eighth
    play chord(:G3), release: eighth
    sleep eighth

    play chord(:A3), release: eighth
    sleep eighth
    play chord(:F3), release: eighth
    sleep eighth
    play chord(:A3), release: eighth
    sleep eighth
    play chord(:D4), release: eighth
    sleep eighth

    #bar 4
    play chord(:C4), release: eighth
    sleep eighth
    play chord(:A3), release: eighth
    sleep eighth
    play chord(:F3), release: eighth
    sleep eighth
    play chord(:A3), release: eighth
    sleep eighth

    play chord(:C4), release: half
    sleep half
  end

  bar = 2.0
  half = bar/2.0
  quarter = bar/4.0
  eighth = bar/8.0

  # treble cleff
  2.times do
    bar = bar -0.25
    half = bar/2.0
    quarter = bar/4.0
    eighth = bar/8.0

    #bar 1
    play chord(:A3), release: eighth
    sleep eighth
    play chord(:B3), release: eighth
    sleep eighth
    play chord(:CS4), release: eighth
    sleep eighth
    play chord(:D4), release: eighth
    sleep eighth

    play chord(:E4), release: eighth
    sleep eighth
    play chord(:C4), release: eighth
    sleep eighth
    play chord(:E4), release: quarter
    sleep quarter

    #bar 2
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:CS4), release: eighth
    sleep eighth
    play chord(:F4), release: quarter
    sleep quarter

    play chord(:E4), release: eighth
    sleep eighth
    play chord(:C4), release: eighth
    sleep eighth
    play chord(:E4), release: quarter
    sleep quarter

    #bar 3
    play chord(:A3), release: eighth
    sleep eighth
    play chord(:B3), release: eighth
    sleep eighth
    play chord(:CS4), release: eighth
    sleep eighth
    play chord(:D4), release: eighth
    sleep eighth

    play chord(:E4), release: eighth
    sleep eighth
    play chord(:C4), release: eighth
    sleep eighth
    play chord(:E4), release: quarter
    sleep quarter

    #bar 4
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:CS4), release: eighth
    sleep eighth
    play chord(:F4), release: quarter
    sleep quarter

    play chord(:E4), release: half
    sleep half
  end

  # treble cleff 2
  2.times do
    bar = bar -0.25
    half = bar/2.0
    quarter = bar/4.0
    eighth = bar/8.0

    #bar 1
    play chord(:D4), release: eighth
    sleep eighth
    play chord(:E4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:G4), release: eighth
    sleep eighth

    play chord(:A4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:A4), release: quarter
    sleep quarter

    #bar 2
    play chord(:GS4), release: eighth
    sleep eighth
    play chord(:E4), release: eighth
    sleep eighth
    play chord(:GS4), release: quarter
    sleep quarter

    play chord(:G4), release: eighth
    sleep eighth
    play chord(:EB4), release: eighth
    sleep eighth
    play chord(:G4), release: quarter
    sleep quarter

    #bar 3
    play chord(:D4), release: eighth
    sleep eighth
    play chord(:E4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:G4), release: eighth
    sleep eighth

    play chord(:A4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:A4), release: eighth
    sleep eighth
    play chord(:D5), release: eighth
    sleep eighth

    #bar 4
    play chord(:C5), release: eighth
    sleep eighth
    play chord(:A4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:A4), release: eighth
    sleep eighth

    play chord(:C5), release: half
    sleep half
  end

  # crazy
  1.times do
    bar = bar -0.25
    half = bar/2.0
    quarter = bar/4.0
    eighth = bar/8.0

    #bar 1 & 2
    2.times do
      sleep quarter
      play chord(:D5), release: quarter
      play chord(:GS4), release: quarter
      play chord(:F4), release: quarter
      sleep half
    end

    #bar 3
    play chord(:D4), release: eighth
    sleep eighth
    play chord(:E4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:G4), release: eighth
    sleep eighth

    play chord(:A4), release: eighth
    sleep eighth
    play chord(:F4), release: eighth
    sleep eighth
    play chord(:A4), release: eighth
    sleep eighth
    play chord(:D5), release: eighth
    sleep eighth

    #bar 4
    play chord(:CS5), release: eighth
    sleep eighth
    play chord(:A4), release: eighth
    sleep eighth
    play chord(:C5), release: eighth
    sleep eighth
    play chord(:E5), release: eighth
    sleep eighth

    play chord(:D5), release: half
    play chord(:F4), release: half
    sleep half

    #bar 5&6
    2.times do
      sleep quarter
      play chord(:D6), release: quarter
      play chord(:GS5), release: quarter
      play chord(:F5), release: quarter
      sleep half
    end

    #bar 7
    play chord(:D5), release: eighth
    sleep eighth
    play chord(:E5), release: eighth
    sleep eighth
    play chord(:F5), release: eighth
    sleep eighth
    play chord(:G5), release: eighth
    sleep eighth

    play chord(:A5), release: eighth
    sleep eighth
    play chord(:F5), release: eighth
    sleep eighth
    play chord(:A5), release: eighth
    sleep eighth
    play chord(:D6), release: eighth
    sleep eighth

    #bar 8

    play chord(:CS6), release: eighth
    sleep eighth
    play chord(:A5), release: eighth
    sleep eighth
    play chord(:C6), release: eighth
    sleep eighth
    play chord(:E6), release: eighth
    sleep eighth

    play chord(:D6), release: half
    play chord(:F5), release: half
    sleep half
  end
end