Hi all,

thanks all your reply.  It works using the following code.  Thanks
again for input and suggestions!

class Song
	def initialize(name, artist, duration)
		@name = name
		@artist = artist
		@duration = duration
	end

	def to_s
		"Song: #{@name}--#{@artist} (#{@duration})"
	end
end

class KaraokeSong < Song
	def initialize(name, artist, duration, lyrics)
		super(name, artist, duration)
		@lyrics = lyrics
	end

	def to_s
		super + " [#{@lyrics}]"
	end
end
aSong = KaraokeSong.new("KSongName", "KSongArtist", 225, "Klyrics")
puts aSong.to_s