In the two-page booklet included with the DVD, it is stated that the film was originally conceived as a straight-on roller-disco movie, but that the imminent release of two quickie roller-disco films (
Skatetown, U.S.A. (1979) and
Roller Boogie (1979)) prompted many changes (like its blending of 1940s and 1980s styles), which may explain why star
Olivia Newton-John complained of the film being written while it was being made.
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