"In Dreams" is a song composed and sung by rock and roll performer Roy Orbison. An operatic ballad of lost love, it was released as a single on Monument Records in February 1963. It became the title track on the album In Dreams, released in July of the same year. The song has a unique structure in seven musical movements in which Orbison sings through two octaves, beyond the range of most rock and roll singers.

The song peaked on the Billboard Hot 100 charts at number 7, and charted in the United Kingdom for five months while Orbison toured sharing billing with the Beatles. It gained notability again in 1987 when Orbison released a re-recorded anthology of his greatest hits; the year prior David Lynch had used the song provocatively in his dark thriller Blue Velvet, helping to revive Orbison's career. The theme of the song was interwoven in similar compositions throughout his tenure as a musician. As a result, several collections of Orbison's music share the title of the song. Rolling Stone listed "In Dreams" at number 319 of their 500 Greatest Songs of All Time.

In 1956, Roy Orbison was signed to Sun Records that launched rockabilly legends such as Elvis Presley and Carl Perkins. Orbison's first releases reflected the style in "Ooby Dooby", "Go! Go! Go!", and a song he wrote for the Everly Brothers about his future wife, "Claudette". Orbison found marginal success at Sun Records, but felt that his talents were not being employed appropriately because he was made to sing twelve-bar rock standards with heavy guitars and drums.

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