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Keys to the Heart is a TV program that debuted in 1970 . Keys to the Heart completed its run in 1970.
It features Ju Seoung-hwan as producer, Hwang Sang-jun in charge of musical score, and Hong Seung-hyuk as head of cinematography.
Keys to the Heart is recorded in Korean and originally aired in South Korea. Each episode of Keys to the Heart is 120 minutes long. Keys to the Heart is distributed by CJ E&M.
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