![]() The first is a binary file called iTunes Library ( iTunes x Music Library in previous versions) that uses its own music library format. These attributes, known as metadata, are stored in two library files. ITunes keeps track of songs by creating a virtual library, allowing users to access and edit a song's attributes. The playlist Party Shuffle draws from can be changed on the fly this will cause all randomly chosen tracks to disappear and be replaced. This allows a mixture of both preselected and random tracks in the same meta-playlist. By default, it selects tracks randomly from other playlists or the library users can override the automatic selections by deleting tracks (iTunes will choose new ones to replace them) or by adding their own via drag-and-drop or contextual menu. The Party Shuffle playlist is intended as a simple DJing aid. ![]() Inter-star ratings are stored by iTunes, but only affect this feature in the range of zero to one star. Unrated songs are the least likely to be played. With this bias enabled, each star rating increases the preference for that particular song about 4% over that of a one-star-less rated song. ![]() Party Shuffle can also be biased towards selecting tracks with a higher star rating. The "randomness" of the shuffle algorithm can be biased for or against playing multiple tracks from the same album or artists in sequence (a new feature in iTunes 5.0). Playlists can be played randomly or sequentially. Different criteria can be entered to control many aspects of the playlist. Smart playlists are playlists that can be set to automatically update (live updating), (like a database query) based on a customized list of selection criteria. In addition to static playlist support, iTunes supports 'Smart playlists'. Users are able to organize their music into playlists, edit file information, record compact discs, copy files to a digital audio player, purchase music and videos through its built-in music store, download podcasts, back up songs onto a CD or DVD, run a visualizer to display graphical effects in time to the music, and encode music into a number of different audio formats. ITunes originally had a brushed metal interface, but version 5.0 introduced a new, thinner interface commonly referred to as "plastic", "light metal" (as opposed to the heavier "Brushed Metal"), and "dark unified" (based on the Unified look from Mac OS X v10.4, but darker). There has been some success running iTunes under Crossover Office on Linux, which is a Wine variant. The program was initially developed on Mac OS 9, but support for the classic Mac OS was discontinued with the release of iTunes 3. Apple has also developed a version which runs on mobile phones such as the Motorola ROKR, Motorola RAZR and Motorola SLVR (although as of October 2006 this version hasn't been updated to play songs purchased with iTunes 7.0). ITunes, unlike other programs in the iLife suite, is supported on computers running on Mac OS X and Windows 2000 or greater. It is also offered as part of Apple's iLife suite of multimedia applications. The program is available for free as a download off of the Apple website, bundled with all Mac computers and some iPods, and supplied with Mac OS X. iTunes has gained and maintained a reputation for being easy to use while still providing many features for obtaining, organizing, and playing media. Additionally, iTunes can connect to the iTunes Store (formerly known as the iTunes Music Store, or iTMS) in order to download purchased digital music, music videos, television shows, iPod games and feature length films. The program is also an interface to manage the contents on Apple's popular iPod digital media players. ITunes is a digital media player application, introduced by Apple Computer on Januat MacWorld Expo in San Francisco, for playing and organizing digital music and video files. The initial letter is shown capitalized due to technical restrictions. The correct title of this article is iTunes.
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