Missing Pieces of Blane's Final

blane_final

class Artist
def genres
    @songs.collect{|s| s.genre}
  end
end

class Song
  attr_accessor :name, :song, :artist, :genre

  def genre=(genre)
    @genre = genre 
    @genre.songs << self
  end
end

class Genre
  def artists
     @songs.collect{|s| s.artist}.uniq
  end

hmmmmmmmmmm