The Razor app lets you Shut Up and Rock 24-7 with the Cutting Edge of Rock, metal, grunge, and 90's alternative from artists like Metallica, Alice in Chains, Rob Zombie, Marilyn Manson, Disturbed, Slipknot, Pearl Jam, Korn, Tool, Green Day, Nirvana, Nine Inch Nails, and countless others - along with concerts, contests, and more.iPhone OS 4 ready!Features:* Listen to the station live* Shake for audio controls on any screen* View music videos (via YouTube. Not all songs have videos available.)* Purchase the songs you like on iTunes with the push of a button* Follow your favorite on-air staff. Automatic integration of their Facebook, Twitter, and blog postings.* Reply to air staff's tweets right from the app.* Request a song from the app.* Call the station with a single button push (iPhone only).* Supports background audio in iOS 4 on supported devices!