freebase_movie.rb

require 'open-uri'
require 'json'
require 'cgi'

uri = URI('http://api.freebase.com/api/service/mqlread')
uri.query = "query=" + CGI.escape({
  query: [{
    id: nil,
    name: nil,
    type: '/film/film',
    music: "Vangelis",
  }]
}.to_json)

open(uri) do |res|
  puts JSON.parse(res.read)['result']
end