Downloadable content for the Band Hero, DJ Hero and Guitar Hero franchises will no longer be offered for sale as of April 1, 2014, according to a post on the official Guitar Hero Facebook page.
Guitar Hero for iOS will also be pulled from sale April 1. It's available for $0.99 in the iOS App Store.
Game servers will remain online, and the announcement won't affect any DLC previously purchased. Through March 31, "selected songs and tracks" will be discounted up to 50 percent on PlayStation 3, Xbox 360 and Wii. Details and songs are available in each console's store.
The franchise of rhythm games that blended plastic instruments with rock songs began in 2005 with Harmonix's Guitar Hero. Guitar Hero 2 followed in 2006 and the franchise expand over the next few years with games like Guitar Hero 3: Legends of Rock, Guitar Hero: World Tour and band-based spin-offs like Guitar Hero: Metallica. Harmonix left the franchise after Guitar Hero 2 and created the Rock Band series of rhythm games.