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Verified official Gaon Digital Chart (year-end) ranking.[1]Jang Deok Cheol (장덕철) achieved the #2 music ranking of 2018 on South Korea's Gaon Digital Chart (year-end). Jang Deok Cheol's Good Old Days (Geunalcheoreom), released in late 2017, peaked in early 2018 and ranked second on the 2018 Gaon Digital Chart year-end list.
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