200 try their hand at the harmonica

Watch Elodie Harper's video report below:

Now if you ever wondered what a room full of 200 harmonicas playing sounds like, there was a chance to find out today.

A giant music lesson took place at Cambridge's Corn Exchange as part of a national programme to get more of us playing a musical.

Steve Lockwood

Steve Lockwood has written for Tom Jones and played with the London Philharmonic, but today he was teaching a free music lesson to around 250 people at Cambridge's Corn Exchange.

Free harmonicas were handed out at the door, and Steve guided the crowd through the basics - including the opening bars of Leonard Cohen's Hallelujia