All is the fourth album by the American punk rock band the Descendents, released in 1987 through SST Records. It was the band's first album with bassist Karl Alvarez and guitarist Stephen Egerton, who brought new songwriting ideas to the group. The album is titled after the concept of "All" invented by drummer Bill Stevenson and friend Pat McCuistion in 1980. Based on the goals of achieving "the total extent" and "to not settle for some, to always go for All", the philosophy was the subject of the one-second title track, the two-second "No, All!", and "All-O-Gistics".

All marked the end of the Descendents' original run. Following two tours of the United States to promote the album, singer Milo Aukerman left the group to pursue a career in biochemistry. The band was relaunched under the new name All, and released eight albums with other singers between 1988 and 1995 before reuniting with Aukerman under the Descendents name.

Following the Descendents' summer 1986 tour in support of their third album, Enjoy!, guitarist Ray Cooper and bassist Doug Carrion left the band. Seeking a new bassist, drummer Bill Stevenson contacted a musician he knew in Boise, Idaho. The musician declined but suggested Salt Lake City native Karl Alvarez, whose band the Bad Yodelers was staying with him at the time while on tour. Stevenson had met Alvarez in 1984 while touring with Black Flag, and invited him to try out with the Descendents. Packing all his belongings in a garbage bag, Alvarez took a train from Salt Lake City to Los Angeles and began rehearsing with Stevenson. According to singer Milo Aukerman, Alvarez and Stevenson "just locked in completely." "I think Billy and I had a certain connection," recalled Alvarez, "but I can't help but think 'Well, yeah, because I practiced bass to his records.'"

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