By Ian Youngs Entertainment reporter, BBC News at the Glastonbury Festival

Chris Fitch watched as The Cribs' singer dived into the crowd

The Glastonbury Festival is hosting some of the biggest names in rock and pop - but few people know about the work that goes on backstage to make sure the show runs smoothly.

Chris Fitch strides over to a control panel in the wings and slides a button down like he owns the stage.

As production manager of the Other Stage - Glastonbury's second largest arena - he more-or-less does.

As he slides the button, the DJ fades out and the crowd assembled below lets out a cheer.

Yorkshire indie band The Cribs swagger on from the far side of the stage, lead singer Ryan Jarman raises his plastic pint glass to the audience and their set begins.

How a festival stage works

Mr Fitch wanders purposefully back behind the huge curtain at the back of the stage. He is responsible for getting every band and their equipment on and off on time - and, with 11 bands a day over three days, it is hard work.

Tightly-regimented

The Other Stage is as big and complex as a main stage at other festivals, and is playing host to the likes of Bjork, Iggy Pop, The Chemical Brothers and the Arcade Fire this weekend.

But after 17 years working on the stage, Mr Fitch has made the process of getting bands in and out a tightly regimented operation.

Equipment is rolled on and off stage on risers

Every band must unload, set up and test their equipment before going on stage, and then pack it back up and ship it back out again afterwards - but there are only 20-30 minutes between performances.

So while one band is playing, the next act's equipment is set up backstage, ready to be rolled on.

Every band has "risers" - low platforms on wheels that allow gear, such as drum kits or keyboards, to be assembled behind the scenes and