gistfile1.rb

require 'gosu'

class Game < Gosu::Window

  def initialize
    super 640, 480, false
    @song = Gosu::Song.new("file.ogg")
    @loop_time = Gosu.milliseconds
  end
  
  def update
  
    
    duration = Gosu.milliseconds - @loop_time
    
    #if 112 seconds have passed
    if duration > 112000
      #play the song
      play_song
      #and make sure to reset the timer
      @loop_time = Gosu.milliseconds
    end
    
  end
  
  def draw
  end
  
  private
  
  def play_song
    @song.play # play song here
  end
  
end