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| Domestic Box Office (USA): | 75 134 $ |
| Country: | South Korea |
| W2TCH Rating: | |
| Length: | 2 h |
| Alternative title: | Keys to the Heart |
| Release year: | 2018 |
| Language: | Korean |
| Awards: | 🏆 1 nomination |
| Type: | Movie |
| Sub-genres: | pianist |
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