section on vinyl, but this is featured on the cassette. {{Track listing | headline = Side one | title1 = Technopolis | length1 = 4:14 | music1 = Sakamoto | title2 = Absolute Ego Dance | length2 = 4:38 | music2 = Haruomi Hosono | title3 = Behind the Mask | length3 = 3:35 | lyrics3 = Mosdell | music3 = Sakamoto | title4 = Computer Game 'Theme from The Circus''' | length4 = 1:45 | music4 = YMO | title5 = Firecracker | length5 = 4:52 | music5 = Martin Denny | title6 = Computer Game 'Theme from The Invader| length6 = 1.00 | music6 = YMO }} Personnel Yellow Magic Orchestra – arrangements, electronics, directors, mixing engineers Haruomi Hosono – bass, synth Bass, keyboards, production Ryuichi Sakamoto – keyboards Yukihiro Takahashi – vocals, drums, electronic drums, percussion, mannequin costume designSnakeman Show – counterpartsMoichi Kuwahara – voice on "Jingle “Y.M.O.”", script supervisor Katsuya Kobayashi – voice on "Tighten Up" & "Here We Go Again" Masato Ibu – voice on "Tighten Up" & "The End of Asia"Guest musiciansHideki Matsutake – microcomposer programming Chris Mosdell – lyrics, voice on "Citizens of Science" Kenji Ōmura – electric guitar Sandii – vocals on "Nice Age" Mika Fukui – voice on "Nice Age" The Studio Doo Wap – script supervisorsStaffShōrō Kawazoe – executive producer Mitsuo Koike – recording and mixing engineer Norio Yoshizawa, Atsushi Saito, Yasuhiko Terada & Michitaka Tanaka – recording engineers Takahisa Kamijyo – art director Kiichi Ichida (Cinq Art) – mannequin modeling Masayoshi Sukita – photographyUS/Europe versions alternative staff'Sakamoto – vocoded vocals, piano, electric piano, percussion, orchestration Makoto Ayukawa – electric guitar on "Day Tripper" and "Solid State Survivor" Sandii – vocals on "Absolute Ego Dance" Kunihiko Murai and Kawazoe – executive producers Yoshizawa – recording engineers, remix Saito & Koike – recording engineers Al Schmitt – mixing engineer Mike Reese – mastering engineer Shunsuke Miyasumi, Masako Hikasa & Akira Ikuta – recording coordinators Tommy LiPuma – supervisor Charts×∞Multiplies was the eighth best selling album of 1980 in Japan – the best selling was Solid State Survivor'' as sales continued from the previous year. References Yellow Magic Orchestra albums Alfa Records albums 1980 EPs