Dan’s turned into a bit of a media fiend recently. He’s today’s studio guest on The Guardian’s Science Weekly podcast, where he features alongside an item on playing Metallica to monkeys.

Dan Stowell, a computer scientist at Queen Mary University of London, demonstrates his research in which he digitally transforms the human voice in real-time to create weird musical instruments and interactive experiences.

Even those of you with no interest in science will want to play Dan’s spectrographic pop quiz. (Open the video and fast forward to 1:36.)