Toward the end of 1966, the group played "Strawberry Fields Forever" as both a traditional rock tune and a lush, orchestral rendition with brass. Lennon couldn't pick between the two, so he suggested they somehow combine them, despite George Martin telling him they were in different keys and in different tempos. "You can do something about it," Lennon said. "You can fix it." Martin took up the challenge, speeding up one version, slowing down the others and using a variable-control tape machine to combine them. The end result was one of his favorite Beatles recordings.
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