T in the Park 2013 gets ready for day one
12 July 2013 Last updated at 16:39 BST
Thousands of music fans are starting to arrive for day one of T in the Park where Mumford & Sons, Jake Bugg and Calvin Harris take to the stage.
This year, the festival at Balado Park Kinross-shire celebrates its 20th anniversary.
The weather for campers is predicted to be hot all weekend.
Newsbeat's reporter Steve Holden takes a tour of the site.