Trung Kiên

NSND Nguyễn Trung Kiên (Kiến Xương, Thái Bình, 1939) is a Vietnamese classical singer and People's Artist. With the late Quý Dương and Trần Hiếu, Kiên was counted as the 3C Trio (Vietnamese Tam ca 3C, from tam ca 3 “cụ”) - a term modelled on the Three Tenors.

He is no relation to the younger entertainer MC Trung Kiên.

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Wikipedia