Key to Harmony is a 1935 British drama film directed by Norman Walker and starring Belle Chrystall, Fred Conyngham and Reginald Purdell.
The film is a quota quickie made at British and Dominions Elstree Studios for release by Paramount Pictures.
The film's art direction was by Hylton R. Oxley.
A woman's love life is threatened by her career success.
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