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@@ -1,3 +1,4 @@
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+#!/usr/bin/env ruby
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 # (c) Copyright 2007 Chris Eppstein. All Rights Reserved. 
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 # Usage:
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 #  ruby albums.rb "The Police"
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@@ -15,6 +16,16 @@
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   end
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 end
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+def usage
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+%Q{Usage:
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+    ruby albums.rb artist_name_in_english
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+}
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+end
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+
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+unless ARGV[0]
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+  puts usage
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+  exit 1
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+end
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 artist = Freebase::Types::Music::Artist.find(:first,
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   :conditions => {