With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 1969 was the year of release for Led Zeppelin's first album.
text_B: Led Zeppelin were an English rock band formed in London in 1968 .. rock. rock music. Led Zeppelin. Led Zeppelin ( album ). The group consisted of guitarist Jimmy Page , singer Robert Plant , bassist and keyboardist John Paul Jones , and drummer John Bonham .. Jimmy Page. Jimmy Page. John Bonham. John Bonham. Robert Plant. Robert Plant. John Paul Jones. John Paul Jones ( musician ). The band 's heavy , guitar-driven sound , rooted in blues and psychedelia on their early albums , has earned them recognition as one of the progenitors of heavy metal , though their unique style drew from a wide variety of influences , including folk music .. heavy metal. heavy metal music. blues. blues. psychedelia. psychedelic music. folk music. folk music. After changing their name from the New Yardbirds , Led Zeppelin signed a deal with Atlantic Records that afforded them considerable artistic freedom .. Atlantic. Atlantic Records. Yardbirds. The Yardbirds. Atlantic Records. Atlantic Records. Led Zeppelin. Led Zeppelin ( album ). Although the group was initially unpopular with critics , they achieved significant commercial success with albums such as Led Zeppelin -LRB- 1969 -RRB- , Led Zeppelin II -LRB- 1969 -RRB- , Led Zeppelin III -LRB- 1970 -RRB- , Led Zeppelin IV -LRB- 1971 -RRB- , Houses of the Holy -LRB- 1973 -RRB- , and Physical Graffiti -LRB- 1975 -RRB- .. Led Zeppelin. Led Zeppelin ( album ). Led Zeppelin II. Led Zeppelin II. Led Zeppelin III. Led Zeppelin III. Led Zeppelin IV. Led Zeppelin IV. Houses of the Holy. Houses of the Holy. Physical Graffiti. Physical Graffiti. Their fourth album , which features the track `` Stairway to Heaven '' , is among the most popular and influential works in rock music , and it helped to secure the group 's popularity .. rock. rock music. Stairway to Heaven. Stairway to Heaven. Page wrote most of Led Zeppelin 's music , particularly early in their career , while Plant generally supplied the lyrics .. Led Zeppelin. Led Zeppelin ( album ). Jones ' keyboard-based compositions later became central to the group 's catalogue , which featured increasing experimentation .. The latter half of their career saw a series of record-breaking tours that earned the group a reputation for excess and debauchery .. record-breaking tours. Led Zeppelin concerts. Although they remained commercially and critically successful , their output and touring schedule were limited during the late 1970s , and the group disbanded following Bonham 's death from alcohol-related asphyxia in 1980 .. In the decades that followed , the surviving members sporadically collaborated and participated in one-off Led Zeppelin reunions .. Led Zeppelin. Led Zeppelin ( album ). The most successful of these was the 2007 Ahmet Ertegun Tribute Concert in London , with Jason Bonham taking his late father 's place behind the drums .. Ahmet Ertegun Tribute Concert. Ahmet Ertegun Tribute Concert. Jason Bonham. Jason Bonham. Led Zeppelin are widely considered one of the most successful , innovative , and influential rock groups in history .. rock. rock music. Led Zeppelin. Led Zeppelin ( album ). They are one of the best-selling music artists in the history of audio recording ; various sources estimate the group 's record sales at 200 to 300 million units worldwide .. best-selling music artists. list of best-selling music artists. With RIAA-certified sales of 111.5 million units , they are the second-best-selling band in the US .. RIAA. Recording Industry Association of America. second-best-selling band in the US. List of best-selling music artists in the United States. Each of their nine studio albums placed in the top 10 of the Billboard album chart and six reached the number-one spot .. They achieved eight consecutive UK number-one albums .. Rolling Stone magazine described them as `` the heaviest band of all time '' , `` the biggest band of the Seventies '' , and `` unquestionably one of the most enduring bands in rock history '' .. rock. rock music. Rolling Stone. Rolling Stone. They were inducted into the Rock and Roll Hall of Fame in 1995 ; the museum 's biography of the band states that they were `` as influential '' during the 1970s as the Beatles were during the 1960s .. Rock and Roll Hall of Fame. Rock and Roll Hall of Fame. the Beatles. the Beatles
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