 Despite being completed in 1971, "Boulders" was delayed for release until 1973 due to Wood's busy schedule with the Move, Electric Light Orchestra and then Wizzard.Wood's then-manager, Don Arden, was particularly demanding that the release of "Boulders" was delayed, to avoid it clashing with the Move's material.In March 1973, the same month Wizzard released "Wizzard Brew", United Artists Records printed a message in "Billboard" that described the soon-to-be-released "Boulders" as "an album of which the like you have never heard," describing advance reviews of the record as suggesting the album "could change the face of popular music.