Information:  - Rock Band is a series of music video games developed by Harmonix and MTV Games, and distributed by Electronic Arts for the Nintendo DS, iOS, PlayStation 2, PlayStation 3, PSP, Wii, Xbox One and Xbox 360 game systems. The series, inspired by Harmonix's previous efforts on the "Guitar Hero" series, allows up to four players to simulate the performance of popular rock music songs by playing with controllers modeled after musical instruments. Players can play the lead guitar, bass guitar, keyboard, and drums parts to songs, as well as sing into a USB microphone. Players are scored on their ability to match scrolling musical notes while playing instruments, and by their ability to match the singer's pitch on vocals.  - The or simply, DS, is a 32-bit dual-screen handheld game console developed and released by Nintendo. The device went on sale in North America on November 21, 2004. The DS, short for "Developers' System" or "Dual Screen", introduced distinctive new features to handheld gaming: two LCD screens working in tandem (the bottom one featuring a touchscreen), a built-in microphone, and support for wireless connectivity. Both screens are encompassed within a clamshell design similar to the Game Boy Advance SP. The Nintendo DS also features the ability for multiple DS consoles to directly interact with each other over Wi-Fi within a short range without the need to connect to an existing wireless network. Alternatively, they could interact online using the now-closed Nintendo Wi-Fi Connection service. Its main competitor was Sony's PlayStation Portable as part of the seventh generation era.  - The Xbox 360 is a home video game console developed by Microsoft. As the successor to the original Xbox, it is the second console in the Xbox series. The Xbox 360 competed with Sony's PlayStation 3 and Nintendo's Wii as part of the seventh generation of video game consoles. The Xbox 360 was officially unveiled on MTV on May 12, 2005, with detailed launch and game information divulged later that month at the Electronic Entertainment Expo (E3).  - The Guitar Hero series (sometimes referred to as the Hero series) is a series of music rhythm games first published in 2005 by RedOctane and Harmonix, and distributed by Activision, in which players use a guitar-shaped game controller to simulate playing lead, bass guitar, and rhythm guitar across numerous rock music songs. Players match notes that scroll on-screen to colored fret buttons on the controller, strumming the controller in time to the music in order to score points, and keep the virtual audience excited. The games attempt to mimic many features of playing a real guitar, including the use of fast-fingering hammer-ons and pull-offs and the use of the whammy bar to alter the pitch of notes. Most games support single player modes, typically a Career mode to play through all the songs in the game, and both competitive and cooperative multiplayer modes. With the introduction of "Guitar Hero World Tour" in 2008, the game includes support for a four-player band including vocals and drums. The series initially used mostly cover versions of songs created by WaveGroup Sound, but most recent titles feature soundtracks that are fully master recordings, and in some cases, special re-recordings, of the songs. Later titles in the series feature support for downloadable content in the form of new songs.  - The PlayStation 2 (abbreviated as PS2) is a home video game console that was developed by Sony Computer Entertainment. It is the successor to the PlayStation, and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in Japan, October 26, 2000 in North America, November 24, 2000 in Europe, and November 17, 2000 in Australia. It competed with Sega's Dreamcast, Microsoft's Xbox, and Nintendo's GameCube in the sixth generation of video game consoles.  - Microsoft Corporation (commonly referred to as Microsoft or MS) is an American multinational technology company headquartered in Redmond, Washington, that develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup. As of 2016, it was the world's largest software maker by revenue, and one of the world's most valuable companies.  - The PlayStation 3 (abbreviated as PS3) is a home video game console developed by Sony Computer Entertainment. It is the successor to PlayStation 2, and is part of the PlayStation brand of consoles. It competed with Microsoft's Xbox 360 and Nintendo's Wii as part of the seventh generation of video game consoles. It was first released on November 11, 2006, in Japan, November 17, 2006 in North America, and March 27, 2007 in Europe and Australia.  - The Wii is a home video game console released by Nintendo on November 19, 2006. As a seventh-generation console, the Wii competed with Microsoft's Xbox 360 and Sony's PlayStation 3. Nintendo states that its console targets a broader demographic than that of the two others. , the Wii leads its generation over PlayStation 3 and Xbox 360 in worldwide sales, with more than 101 million units sold; in December 2009, the console broke the sales record for a single month in the United States.  - Guitar Praise is a Christian rhythm video game for PC . Published by Digital Praise , it uses contemporary Christian music with gameplay akin to that of the Guitar Hero and Rock Band games , although it is only compatible with its own wired and cordless USB guitar controllers . A second guitar can be connected for two - player mode . The games can be played on a computer running Microsoft Windows or Mac OS X. While the game does not contain a mode for vocals , it does display the song 's lyrics on - screen during the song . It also supports online leaderboards but the website is currently down .  - Downloadable content (DLC) is additional content created for a released video game. It is distributed through the Internet by the game's official publisher. Downloadable content can be of several types, ranging from aesthetic outfit changes to a new, extensive storyline, similar to an expansion pack. As such, DLC may add new game modes, objects, levels, challenges or other features to a complete, already released game.  - Digital Praise was Christian-themed video and computer game developer. It won the Addy Awards for "Mixed Media (Cross Platform) Campaign" in 2008. It has produced Dance Praise, Guitar Praise, Adventures in Odyssey computer games, VeggieTales' "Dance, Dance, Dance", and other video games.  - Microsoft Windows (or simply Windows) is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of operating systems, each of which cater to a certain sector of the computing industry with the OS typically associated with IBM PC compatible architecture. Active Windows families include Windows NT, Windows Embedded and Windows Phone; these may encompass subfamilies, e.g. Windows Embedded Compact (Windows CE) or Windows Server. Defunct Windows families include Windows 9x; Windows 10 Mobile is an active product, unrelated to the defunct family Windows Mobile.  - IBM PC compatible computers are those similar to the original IBM PC, XT, and AT, able to run the same software and support the same expansion cards as those. Such computers used to be referred to as PC clones, or IBM clones. They duplicate almost exactly all the significant features of the PC architecture, facilitated by IBM's choice of commodity hardware components and various manufacturers' ability to reverse engineer the BIOS firmware using a "clean room design" technique. Columbia Data Products built the first clone of the IBM personal computer by a clean room implementation of its BIOS.  - Dance Praise is a series of dance video games developed by Christian video game developer Digital Praise, with a particular emphasis on Contemporary Christian music. The series began on Microsoft Windows and Mac OS X computers, and later expanded to iOS devices. The series' first title, "Dance Praise", was released on September 29, 2005 and gained popularity in the Christian gaming industry.  - Guitar Hero World Tour (initially referred to as Guitar Hero IV or Guitar Hero IV: World Tour) is a music rhythm game developed by Neversoft, published by Activision and distributed by RedOctane. It is the fourth main entry in the "Guitar Hero" series. The game was launched in North America in October 2008 for the PlayStation 2, PlayStation 3, Wii, and Xbox 360 consoles, and a month later for Europe and Australia. A version of "World Tour" for Microsoft Windows and Apple Macintosh was later released.  - Electronic Arts Inc. (EA) is an American video game company headquartered in Redwood City, California. Founded and incorporated on May 28, 1982 by Trip Hawkins, the company was a pioneer of the early home computer games industry and was notable for promoting the designers and programmers responsible for its games. As of 2014, Electronic Arts was the world's fourth-largest gaming company by revenue after Tencent, Sony and Microsoft  The company sparked controversies over its advertising efforts, and acquisition of other studios.    What is the relationship between 'guitar praise' and 'downloadable content'?
A:
distribution