Synthpop

Synthpop (also known as electropop and technopop) is a genre of popular music that first became prominent in the 1980s and features the synthesizer as the dominant musical instrument. It was prefigured in the 1960s and early 1970s by the use of synthesizers in progressive rock, electronic art rock, disco and particularly the "Krautrock" of bands like Kraftwerk. It arose as a distinct genre in Japan and the United Kingdom in the post-punk era as part of the new wave movement of the late-1970s to the mid-1980s.

Early synthpop pioneers included Japanese group Yellow Magic Orchestra and British bands Ultravox and The Human League; the latter largely used monophonic synthesizers to produce music with a simple and austere sound. After the breakthrough of Gary Numan and his band Tubeway Army in the British Singles Chart in 1979, large numbers of artists began to enjoy success with a synthesizer-based sound in the early 1980s, including Soft Cell, Orchestral Manoeuvres in the Dark and Depeche Mode in the United Kingdom, while in Japan, Yellow Magic Orchestra's success opened the way for synthpop bands such as P-Model, Plastics, and Hikashu. The development of inexpensive polyphonic synthesizers, the definition of MIDI and the use of dance beats, led to a more commercial and accessible sound for synthpop. This, its adoption by the style-conscious acts from the New Romantic movement, together with the rise of MTV, led to success for large numbers of British synthpop acts, including Duran Duran and Spandau Ballet, in the United States.

Greatest hits album

A greatest hits album, sometimes called a "best of" album or a catalog album, is a compilation of songs by a particular artist or band. Most often the track list contains previously released recordings with a high degree of notability. However, to increase the appeal, especially to people who already own the original release, it is common to include remixes and/or alternate takes of popular songs; even new material (previously unreleased). At times a greatest hits compilation is the original release for songs that have themselves been released as a single and charted successfully.

Notable compilations

Madonna's The Immaculate Collection is the best selling greatest hits compilation by a solo artist; all of the songs on it are presented in different versions than the original hit versions. The Eagles' Their Greatest Hits (1971–1975) is the best selling greatest hits compilation by a group and also one of the ten best selling albums in history. Greatest hits albums are typically produced after an artist has had enough successful songs to fill out an album release. Some artists, such as Mariah Carey, Madonna, Janet Jackson, Britney Spears, Elvis Presley, Michael Jackson, The Beatles, Kenny Rogers, Aerosmith, Kiss, U2, Dolly Parton, Journey, Los Tigres del Norte, Queen, Kylie Minogue and Billy Joel, have released multiple greatest hits albums through their long careers. Some greatest hits albums are released only at the end of the artist or group's career. For example, My Chemical Romance released a greatest hits album after they disbanded. Other artists, like Eminem have released hits albums in the center of their success. He released Curtain Call: The Hits in 2005 and then Shady XV as a compilation album in 2014.