second reality

Flanders and Swann perform 'First and Second Law', a comic song about the laws of thermodynamics, from their 1964 stage show At the Drop of Another Hat. It sets the first and second laws to a deadpan call-and-response routine.

A hip-hop music video from EconStories in which Keynes and Hayek rap-battle over how to handle recessions and government spending. It is the second round after the first rap battle.

The official music video for Macklemore & Ryan Lewis's Thrift Shop featuring Wanz, a hip hop hit celebrating secondhand shopping.

OK Go's music video for The One Moment, in collaboration with Morton Salt. It is a choreographed real-time scene that took about 4.2 seconds to film and is shown slowed down to the length of the song.