How do I record both mic and speakers in Kazam?

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http://askubuntu.com – I would like to make some Minecraft videos, but Kazam only works with my microphone. I've tried mixing the audio, but that gets rid of my Minecraft sound. According to PulseAudio, I have 2 inputs: Built-in Audio Analog Stereo, and Monitor of Built-in Audio Analog stereo. Please help. You will get a cookie. (HowTos)