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The album The Dark Side of the Moon by the British progressive rock band Pink Floyd entered the Billboard Top LPs & Tape chart, on which it spent a record 942 weeks.

Related Wikipedia articles
The Dark Side of the Moon
1973 studio album by Pink Floyd
The Dark Side of the Moon is the eighth studio album by the English rock band Pink Floyd, released on 1 March 1973 by Capitol Records in the US and on 16 March 1973 by Harvest Records in the UK. Developed during live performances before recording began, it was conceived as a…Source: Wikipedia (CC BY-SA)
Progressive rock
Genre of rock music
Progressive rock is a broad genre of rock music that primarily developed in the United Kingdom through the mid- to late 1960s, peaking in the early-to-mid-1970s. Initially termed "progressive pop", the style emerged from psychedelic bands who abandoned standard pop or rock…Source: Wikipedia (CC BY-SA)
Pink Floyd
English rock band
Pink Floyd are an English rock band formed in London in 1965. Gaining an early following as one of the first British psychedelic groups, they were distinguished by their extended compositions, sonic experiments, philosophical lyrics, and elaborate live performances, and became a…Source: Wikipedia (CC BY-SA)
Billboard 200
American weekly album chart
The Billboard 200 is a record chart ranking the 200 most popular music albums and EPs in the United States. It is published weekly by Billboard magazine to convey the popularity of an artist or groups of artists. Sometimes, a recording act is remembered for its "number ones"…Source: Wikipedia (CC BY-SA)