Seven Nation Army

"Seven Nation Army" has no bass guitar in it - and almost every fan gets that wrong.

Jack White ran a guitar through an octave pedal to fake the sound. Here's the exact signal chain, why he wrote it in a Melbourne hotel room, and how a chant born in a Belgian stadium ended up sung by Italy's World Cup winners.

What's the first place you heard that riff - a stadium, a movie, or the radio?