08/10/2013 06:20 BST | Updated 08/10/2013 06:27 BST

How To Have A Jam Session With A Fire Alarm (YOUTUBE VIDEO)

When the fire alarm goes off, most of us scamper outside and relish the 10 minute respite from that yawningly boring lecture.

But not these guys. Oh no. They came up with a rather more interesting way to deal with things..