Released on October 19, 1979, Tryouts For The Human Race was issued in the UK by Virgin as a 7" single. The release paired the shorter 3:15 version with the extended 6:05 Long Version on the reverse. The single was taken from No. 1 In Heaven and reflected the electronic direction of Sparks during this period, blending synth-pop and disco. Both versions were written by Ron Mael, Giorgio Moroder and Russell Mael, with Moroder producing the recording. The single reached number 4