Album

An album or record album is a collection of related audio or music tracks distributed to the public. The most common way is through commercial distribution, although some smaller artists will often distribute directly to the public by selling their albums at live concerts or on their websites. The album is distinguished from the single, which on vinyl records was a single song with another on the other or B side; on post-war vinyl these were easily distinguished as the discs were different physical sizes, and played at different speeds; 33 rpm for albums, which were more formally known as long-playing records. The distinction, and the term "album", has survived changes of format from vinyl to cassettes, CDs and other media, based on the length of the recordings.

Vinyl LP records have two sides, each comprising one half of the album. If a pop or rock album contained tracks released separately as commercial singles, these were often traditionally placed in particular positions on the album. A common configuration was to have the album led off by the second and third singles, followed by a ballad. The first single would lead off side 2. In the past, many singles (such as the Beatles' "Hey Jude") did not appear on albums, but others (such as the Beatles' "Come Together" and "Something") were also part of an album released concurrently. Today many commercial albums of music tracks feature one or more singles, which are released separately to radio, TV or the Internet as a way of promoting the album. Albums have also been issued that are compilations of older tracks not originally released together, such as singles not originally found on albums, b-sides of singles, or unfinished "demo" recordings.

Album sets of the past were arranged "in sequence" for phonographs equipped with record changers. In the case of a two-record set, for example, sides one and four would be printed on one record, and sides two and three on the other. The two records would then be stacked up on a spindle especially equipped to handle such albums, with side one on the bottom and side two on the top. The record containing side one would then automatically drop down on the turntable, and the tone arm containing the stylus needle would then automatically play the record. When that side was finished, the tone arm would swing back to allow the record containing side two to drop down on top of the record containing side one, and automatically begin to play. When that was done, the entire stack could be picked up, flipped over (as a stack, without rearranging) and put back on the spindle, and sides three and four would play, without further operator intervention.

Record changers persisted throughout the LP era, but were discontinued after it was discovered that the stacking up of records had the potential to warp them.

Today, with the vinyl record no longer being used as the primary form of distribution, the term "album" can still be applied to any sound recording collection, such as those on compact disc, MiniDisc, Compact audio cassette, and digital or MP3 albums. Cover art is also considered an integral part of the album. Many albums also come with liner notes and inserts giving background information or analysis of the recording, reprinted lyrics, images of the performers, or additional artwork and text. These are now often found in the form of CD booklets.

Length

If an album becomes too long to fit a single vinyl record or CD, a recording artist may make the decision to release a double album where two vinyl LPs or compact discs are packaged together in a single case, or a triple album containing three LPs or compact discs.

Recording artists who have an extensive back catalog will often re-release several CDs in one single box with a unified design, often containing one or more albums, or a compilation of previously unreleased recordings. These are known as box sets. Some musical artists have also released more than three compact discs or LP records of new recordings at once, in the form of boxed sets, although in that case the work is still usually considered to be an album.

See also

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