Reading Windows Media Player songs in Ruby

WMPSongs.rb

require 'win32ole'

class MediaPlayer
  
  def initialize
    @player = WIN32OLE.new('WMPlayer.OCX')
  end
  
  def songs
    s = @player.mediacollection.getByAttribute("MediaType","Audio")
    if block_given?
      (0..s.Count - 1).each do |i|
        yield Song.new(s.Item(i))
      end
    else
      return (0..s.Count - 1).map { |i| Song.new(s.Item(i))}
    end
  end
  
  def all
    return @player.mediacollection.getAll
  end

  def byAuthor(author)
    return @player.mediacollection.getByAuthor(author)
  end

  def byAlbum(author)
    return @player.mediacollection.getByAlbum(author)
  end

end

class Song
  def initialize(wmpsong)
    @wmpsong = wmpsong
  end
  
  def Name
    @wmpsong.Name
  end
  
  def Author
    return @wmpsong.getItemInfo("Author");
  end
  
  def Attributes
     return (0..@wmpsong.attributeCount - 1).map { |i| @wmpsong.getAttributeName(i)}
  end
end

player = MediaPlayer.new()

player.songs.each{ |s| puts s.Name + " - -" + s.Author }