launch sequence was shot in the car park against the actual sky. Although Century 21 built a full-sized Dove module in Slough, they were prevented from using it at Pinewood due to an agreement those studios had with the National Association of Theatrical Television and Kine Employees that all props featured in Pinewood productions were to be made in-house. The module was destroyed, and although Pinewood carpenters built a replacement, Anderson considered it inferior to the original. Commenting on the film's effects, Martin Anderson of Den of Geek describes the Phoenix command module as "beautifully ergonomic without losing too much NASA-ness" and the Dove lander as "a beautiful fusion of JPL gloss with classic lines". He regards the Phoenix launch as Meddings' finest work prior to Moonraker (1979). Archer and Hearn describe the sequence as "one of the most spectacular" of its kind produced by Century 21. Postproduction Composer Barry Gray, who wrote the music for all of Century 21's productions, said that his score for Doppelgänger was his favourite. The score was recorded over three studio sessions held between 27 and 29 March 1969. The first session used a 55-member orchestra, the second 44, and the third 28. The sequence showing Ross and Kane's journey to the Counter-Earth was accompanied by a piece titled "Sleeping Astronauts", featuring an ondes Martenot played by French ondiste Sylvette Allart. Archer and Hearn describe this piece as "one of the most enchanting" ever written by Gray, adding that the soundtrack as a whole evoked a "traditional Hollywood feel" which contrasted with the film's futuristic setting. The title sequence, set inside Dr Hassler's laboratory, was accompanied by a spy theme. This took its inspiration from the character's use of an ocular prosthesis containing a hidden micro-camera to carry out his undercover activities. Archer and Hearn regard this as a stylistic imitation of James Bond films. Theatrical release Universal were unimpressed by the finished film, causing its release to be delayed by a year. British distributors The Rank Organisation were similarly underwhelmed. On 26 March 1969, the BBFC passed Doppelgänger with an A certificate, which allowed children under 11 to see the film provided that they were accompanied by a parent or guardian. To secure this rating, cuts to shots of contraceptive pills were required. Rank enquired whether the film could be cut further to secure a U certificate, removing the need for parental supervision;