And this confirms it:

class Song
     #attr_reader :name, :artist, :duration
end

song = Song.new

puts song.name
puts song.artist
puts song.duration

puts song.fake

--output:---
r1test.rb:8: undefined method `name' for #<Song:0x25648> (NoMethodError)
-- 
Posted via http://www.ruby-forum.com/.