error

TypeError: can't convert Hash into String
	from /Users/Jacob/.rvm/gems/ruby-1.9.2-p290/gems/ruby-mp3info-0.6.15/lib/mp3info.rb:471:in `+'
	from /Users/Jacob/.rvm/gems/ruby-1.9.2-p290/gems/ruby-mp3info-0.6.15/lib/mp3info.rb:471:in `to_s'
	from (irb):2:in `puts'
	from (irb):2:in `puts'
	from (irb):2:in `block in irb_binding'
	from /Users/Jacob/.rvm/gems/ruby-1.9.2-p290/gems/ruby-mp3info-0.6.15/lib/mp3info.rb:305:in `open'
	from (irb):2
	from /Users/Jacob/.rvm/rubies/ruby-1.9.2-p290/bin/irb:16:in `<main>'

test.rb

require 'mp3info'

Mp3Info.open('test.mp3') { |mp3| puts mp3 }