output.rb

        def play(*arguments)
          result = true
          arguments.each do |argument|
            if argument.is_a? Hash
              value = argument.delete(:value)
              result = play_ssml_for(value, argument)
            elsif argument.is_a? RubySpeech::SSML::Speak
              result = play_ssml argument
            else
              result = play_ssml_for(argument)
            end
          end
          result
        end

        def play!(*arguments)
          result = true
          arguments.each do |argument|
            p argument.class
            if argument.is_a? Hash
              value = argument.delete(:value)
              result = play_ssml_for(value, argument)
            elsif argument.is_a? RubySpeech::SSML::Speak
              result = play_ssml argument
            else
              result = play_ssml_for(argument)
            end
            if result == false
              raise Adhearsion::PlaybackError, "One of the passed outputs is invalid"
            end
          end
        end