Matt Smith attempts to calm himself during a lap around the Top Gear track by singing to himself! Subscribe for more awesome Top Gear videos: .<br>Top Gear Series 18 broadcast between 29 January and 11 March 2012. See the best bits from the show and fantastic footage from behind the scenes.<br>Exclusive content and behind the scenes footage from the greatest motoring show. in the world!<br><br>The Timelord himself, Matt Smith, is the Star in a Reasonably Priced Car for 5. Heres a behind the scenes look at his lap. Want to learn more about the .<br>
